Awardees
Players listed with multiple occurrences are denoted in parentheses:
| Year | Month | National League | American League | ||
|---|---|---|---|---|---|
| Player(s) | Team(s) | Player(s) | Team(s) | ||
| 1958 | May | Willie Mays Stan Musial |
San Francisco Giants St. Louis Cardinals |
||
| June | Frank Thomas | Pittsburgh Pirates | |||
| July | Joey Jay | Milwaukee Braves | |||
| August | Lew Burdette | Milwaukee Braves | |||
| September | Willie Mays (2) | San Francisco Giants | |||
| 1959 | May | Hank Aaron Harvey Haddix |
Milwaukee Braves Pittsburgh Pirates |
||
| June | Roy Face | Pittsburgh Pirates | |||
| July | Don Drysdale | Los Angeles Dodgers | |||
| August | Vern Law Willie McCovey |
Pittsburgh Pirates San Francisco Giants |
|||
| September | Eddie Mathews | Milwaukee Braves | |||
| 1960 | May | Roberto Clemente | Pittsburgh Pirates | ||
| June | Lindy McDaniel | St. Louis Cardinals | |||
| July | Don Drysdale (2) | Los Angeles Dodgers | |||
| August | Warren Spahn | Milwaukee Braves | |||
| September | Ken Boyer | St. Louis Cardinals | |||
| 1961 | May | Joey Jay (2) | Cincinnati Reds | ||
| June | George Altman | Chicago Cubs | |||
| July | Frank Robinson | Cincinnati Reds | |||
| August | Warren Spahn (2) | Milwaukee Braves | |||
| September | Jim O'Toole | Cincinnati Reds | |||
| 1962 | May | Bob Purkey | Cincinnati Reds | ||
| June | Sandy Koufax | Los Angeles Dodgers | |||
| July | Frank Howard | Los Angeles Dodgers | |||
| August | Jack Sanford | San Francisco Giants | |||
| 1963 | May | Dick Ellsworth | Chicago Cubs | ||
| June | Ron Santo | Chicago Cubs | |||
| July | Willie McCovey (2) | San Francisco Giants | |||
| August | Willie Mays (3) | San Francisco Giants | |||
| 1964 | May | Billy Williams | Chicago Cubs | ||
| June | Jim Bunning | Philadelphia Phillies | |||
| July | Ron Santo (2) | Chicago Cubs | |||
| August | Frank Robinson (2) | Cincinnati Reds | |||
| September | Bob Gibson | St. Louis Cardinals | |||
| 1965 | May | Joe Torre | Milwaukee Braves | ||
| June | Vern Law (2) Willie Stargell |
Pittsburgh Pirates | |||
| July | Pete Rose | Cincinnati Reds | |||
| August | Willie Mays (4) | San Francisco Giants | |||
| 1966 | May | Juan Marichal | San Francisco Giants | ||
| June | Gaylord Perry | San Francisco Giants | |||
| July | Mike Shannon | St. Louis Cardinals | |||
| August | Pete Rose (2) | Cincinnati Reds | |||
| 1967 | May | Roberto Clemente (2) | Pittsburgh Pirates | ||
| June | Hank Aaron (2) | Atlanta Braves | |||
| July | Jim Ray Hart | San Francisco Giants | |||
| August | Orlando Cepeda | St. Louis Cardinals | |||
| 1968 | May | Don Drysdale (3) | Los Angeles Dodgers | ||
| June | Bob Gibson (2) | St. Louis Cardinals | |||
| July | Bob Gibson (3) | St. Louis Cardinals | |||
| August | Pete Rose (3) | Cincinnati Reds | |||
| September | Steve Blass | Pittsburgh Pirates | |||
| 1969 | April | Willie McCovey (3) | San Francisco Giants | ||
| May | Ken Holtzman | Chicago Cubs | |||
| June | Ron Santo (3) | Chicago Cubs | |||
| July | Roberto Clemente (3) | Pittsburgh Pirates | |||
| August | Willie Davis | Los Angeles Dodgers | |||
| 1970 | May | Rico Carty | Atlanta Braves | ||
| June | Tommie Agee | New York Mets | |||
| July | Bill Singer | Los Angeles Dodgers | |||
| August | Bob Gibson (4) | St. Louis Cardinals | |||
| 1971 | April | Willie Stargell (2) | Pittsburgh Pirates | ||
| May | Lou Brock | St. Louis Cardinals | |||
| June | Willie Stargell (3) | Pittsburgh Pirates | |||
| July | Ferguson Jenkins | Chicago Cubs | |||
| August | Joe Torre (2) | St. Louis Cardinals | |||
| 1972 | April | Don Sutton | Los Angeles Dodgers | ||
| May | Bob Watson | Houston Astros | |||
| June | César Cedeño | Houston Astros | |||
| July | Billy Williams (2) | Chicago Cubs | |||
| August | Ken Henderson | San Francisco Giants | |||
| 1973 | April | Jerry Koosman | New York Mets | ||
| May | Willie Crawford | Los Angeles Dodgers | |||
| June | Greg Luzinski | Philadelphia Phillies | |||
| July | Pete Rose (4) | Cincinnati Reds | |||
| August | Davey Johnson | Atlanta Braves | |||
| 1974 | April | Tommy John | Los Angeles Dodgers | Graig Nettles | New York Yankees |
| May | Ralph Garr | Atlanta Braves | Rod Carew | Minnesota Twins | |
| June | Buzz Capra | Atlanta Braves | Gaylord Perry (2) | Cleveland Indians | |
| July | Don Gullett | Cincinnati Reds | Doc Medich | New York Yankees | |
| August | Lou Brock (2) | St. Louis Cardinals | Nolan Ryan | California Angels | |
| September | Al Kaline | Detroit Tigers | |||
| 1975 | April | Joe Morgan | Cincinnati Reds | Robin Yount | Milwaukee Brewers |
| May | Bob Watson (2) | Houston Astros | Jim Hughes | Minnesota Twins | |
| June | Joe Morgan (2) | Cincinnati Reds | Fred Lynn | Boston Red Sox | |
| July | Dave Kingman | New York Mets | John Mayberry | Kansas City Royals | |
| August | Tony Pérez | Cincinnati Reds | Jim Palmer | Baltimore Orioles | |
| September | Andre Thornton | Chicago Cubs | Gene Tenace | Oakland Athletics | |
| 1976 | April | Mike Schmidt | Philadelphia Phillies | Willie Horton | Detroit Tigers |
| May | George Foster | Cincinnati Reds | Ron LeFlore | Detroit Tigers | |
| June | Al Oliver | Pittsburgh Pirates | Mark Fidrych | Detroit Tigers | |
| July | George Foster (2) | Cincinnati Reds | Reggie Jackson | Baltimore Orioles | |
| August | Joe Morgan (3) | Cincinnati Reds | Luis Tiant | Boston Red Sox | |
| September | Steve Garvey | Los Angeles Dodgers | Nolan Ryan (2) Frank Tanana |
California Angels | |
| 1977 | April | Ron Cey | Los Angeles Dodgers | Otto Vélez | Toronto Blue Jays |
| May | Ken Reitz | St. Louis Cardinals | Frank Tanana (2) | California Angels | |
| June | George Foster (3) | Cincinnati Reds | Rod Carew (2) | Minnesota Twins | |
| July | Greg Luzinski (2) | Philadelphia Phillies | Jim Rice | Boston Red Sox | |
| August | George Foster (4) | Cincinnati Reds | Graig Nettles (2) | New York Yankees | |
| September | César Cedeño (2) | Houston Astros | Rod Carew (3) | Minnesota Twins | |
| 1978 | April | Rick Monday | Los Angeles Dodgers | Frank Tanana (3) | California Angels |
| May | Jack Clark | San Francisco Giants | Jim Rice (2) | Boston Red Sox | |
| June | Dave Winfield | San Diego Padres | Ron Guidry | New York Yankees | |
| July | Pete Rose (5) | Cincinnati Reds | Doug DeCinces | Baltimore Orioles | |
| August | Dave Parker | Pittsburgh Pirates | Jim Rice (3) | Boston Red Sox | |
| September | Dave Parker (2) | Pittsburgh Pirates | Ron Guidry (2) | New York Yankees | |
| 1979 | April | George Foster (5) | Cincinnati Reds | Cecil Cooper | Milwaukee Brewers |
| May | Lou Brock (3) | St. Louis Cardinals | Don Baylor | California Angels | |
| June | George Foster (6) | Cincinnati Reds | Dan Meyer | Seattle Mariners | |
| July | Mike Schmidt (2) | Philadelphia Phillies | Don Baylor (2) | California Angels | |
| August | Keith Hernandez | St. Louis Cardinals | Fred Lynn (2) | Boston Red Sox | |
| September | Pete Rose (6) | Philadelphia Phillies | Alfredo Griffin | Toronto Blue Jays | |
| 1980 | April | Dave Kingman (2) | Chicago Cubs | Lamar Johnson | Chicago White Sox |
| May | Mike Schmidt (3) | Philadelphia Phillies | Ben Oglivie | Milwaukee Brewers | |
| June | Dusty Baker | Los Angeles Dodgers | Rod Carew (4) | California Angels | |
| July | Bob Horner | Atlanta Braves | George Brett Reggie Jackson (2) |
Kansas City Royals New York Yankees |
|
| August | Dale Murphy | Atlanta Braves | Cecil Cooper (2) | Milwaukee Brewers | |
| September | Gary Carter | Montreal Expos | Eddie Murray Jim Rice (4) |
Baltimore Orioles Boston Red Sox |
|
| 1981 | April | Dave Concepción | Cincinnati Reds | Ken Singleton | Baltimore Orioles |
| May | Art Howe | Houston Astros | Dwight Evans | Boston Red Sox | |
| June | 1981 Major League Baseball strike | ||||
| July | |||||
| August | Mike Schmidt (4) | Philadelphia Phillies | Cecil Cooper (3) | Milwaukee Brewers | |
| September | Gary Matthews | Philadelphia Phillies | Eddie Murray (2) Willie Wilson |
Baltimore Orioles Kansas City Royals |
|
| 1982 | April | Dale Murphy (2) | Atlanta Braves | Eddie Murray (3) | Baltimore Orioles |
| May | Tim Wallach | Montreal Expos | Hal McRae | Kansas City Royals | |
| June | Al Oliver (2) | Montreal Expos | George Brett (2) | Kansas City Royals | |
| July | Mike Schmidt (5) | Philadelphia Phillies | Robin Yount (2) | Milwaukee Brewers | |
| August | Bill Buckner | Chicago Cubs | Doug DeCinces (2) | California Angels | |
| September | Claudell Washington | Atlanta Braves | Dave Winfield (2) | New York Yankees | |
| 1983 | April | Terry Kennedy | San Diego Padres | George Brett (3) | Kansas City Royals |
| May | Darrell Evans | San Francisco Giants | Rod Carew (5) | California Angels | |
| June | Andre Dawson | Montreal Expos | Lou Whitaker | Detroit Tigers | |
| July | Dusty Baker (2) | Los Angeles Dodgers | Cecil Cooper (4) | Milwaukee Brewers | |
| August | Mel Hall | Chicago Cubs | Lloyd Moseby | Toronto Blue Jays | |
| September | Dale Murphy (3) | Atlanta Braves | Cal Ripken, Jr. | Baltimore Orioles | |
| 1984 | April | Tony Gwynn | San Diego Padres | Alan Trammell | Detroit Tigers |
| May | Leon Durham | Chicago Cubs | Eddie Murray (4) | Baltimore Orioles | |
| June | Ryne Sandberg | Chicago Cubs | Tony Armas | Boston Red Sox | |
| July | José Cruz | Houston Astros | Kent Hrbek | Minnesota Twins | |
| August | Keith Moreland | Chicago Cubs | Gary Ward | Texas Rangers | |
| September | Dale Murphy (4) | Atlanta Braves | Greg Walker | Chicago White Sox | |
| 1985 | April | Dale Murphy (5) | Atlanta Braves | Mike Davis | Oakland Athletics |
| May | Dave Parker (3) | Cincinnati Reds | George Brett (4) | Kansas City Royals | |
| June | Pedro Guerrero | Los Angeles Dodgers | Rickey Henderson | New York Yankees | |
| July | Keith Hernandez (2) | New York Mets | George Brett (5) | Kansas City Royals | |
| August | Willie McGee | St. Louis Cardinals | Don Mattingly | New York Yankees | |
| September | Gary Carter (2) | New York Mets | Don Mattingly (2) | New York Yankees | |
| 1986 | April | Johnny Ray | Pittsburgh Pirates | Kirby Puckett | Minnesota Twins |
| May | Hubie Brooks | Montreal Expos | Wade Boggs | Boston Red Sox | |
| June | Kevin Bass | Houston Astros | Kent Hrbek (2) | Minnesota Twins | |
| July | Eric Davis | Cincinnati Reds | Scott Fletcher | Texas Rangers | |
| August | Dale Murphy (6) | Atlanta Braves | Doug DeCinces (3) | California Angels | |
| September | Steve Sax | Los Angeles Dodgers | Don Mattingly (3) | New York Yankees | |
| 1987 | April | Eric Davis (2) | Cincinnati Reds | Brian Downing | California Angels |
| May | Eric Davis (3) | Cincinnati Reds | Larry Parrish | Texas Rangers | |
| June | Tony Gwynn (2) | San Diego Padres | Wade Boggs (2) | Boston Red Sox | |
| July | Bo Díaz | Cincinnati Reds | Don Mattingly (4) | New York Yankees | |
| August | Andre Dawson (2) | Chicago Cubs | Dwight Evans (2) | Boston Red Sox | |
| September | Darryl Strawberry | New York Mets | Alan Trammell (2) | Detroit Tigers | |
| 1988 | April | Bobby Bonilla | Pittsburgh Pirates | Dave Winfield (3) | New York Yankees |
| May | Bobby Bonilla (2) | Pittsburgh Pirates | Carney Lansford | Oakland Athletics | |
| June | Will Clark | San Francisco Giants | Mike Greenwell | Boston Red Sox | |
| July | Tony Gwynn (3) | San Diego Padres | Chili Davis | California Angels | |
| August | Eric Davis (4) | Cincinnati Reds | Kent Hrbek (3) | Minnesota Twins | |
| September | Kevin McReynolds | New York Mets | José Canseco | Oakland Athletics | |
| 1989 | April | Von Hayes | Philadelphia Phillies | Fred McGriff | Toronto Blue Jays |
| May | Will Clark (2) | San Francisco Giants | Ron Kittle | Chicago White Sox | |
| June | Howard Johnson | New York Mets | Rubén Sierra | Texas Rangers | |
| July | Mark Grace | Chicago Cubs | Robin Yount (3) | Milwaukee Brewers | |
| August | Pedro Guerrero (2) | St. Louis Cardinals | George Bell Nick Esasky |
Toronto Blue Jays Boston Red Sox |
|
| September | Will Clark (3) | San Francisco Giants | Paul Molitor | Milwaukee Brewers | |
| 1990 | April | Bobby Bonilla (3) | Pittsburgh Pirates | Ken Griffey, Jr. | Seattle Mariners |
| May | Andre Dawson (3) | Chicago Cubs | José Canseco (2) | Oakland Athletics | |
| June | Ryne Sandberg (2) | Chicago Cubs | Brook Jacoby | Cleveland Indians | |
| July | Barry Bonds | Pittsburgh Pirates | George Brett (6) | Kansas City Royals | |
| August | David Justice | Atlanta Braves | Cecil Fielder | Detroit Tigers | |
| September | Kal Daniels | Los Angeles Dodgers | Kelly Gruber | Toronto Blue Jays | |
| 1991 | April | Félix José | St. Louis Cardinals | Dave Henderson | Oakland Athletics |
| May | David Justice (2) | Atlanta Braves | Rubén Sierra (2) | Texas Rangers | |
| June | Barry Larkin | Cincinnati Reds | Joe Carter | Toronto Blue Jays | |
| July | Barry Bonds (2) | Pittsburgh Pirates | Robin Ventura | Chicago White Sox | |
| August | Will Clark (4) | San Francisco Giants | Frank Thomas | Chicago White Sox | |
| September | Howard Johnson (2) | New York Mets | Cal Ripken, Jr. (2) | Baltimore Orioles | |
| 1992 | April | Barry Bonds (3) | Pittsburgh Pirates | Roberto Alomar | Toronto Blue Jays |
| May | Félix José (2) | St. Louis Cardinals | Kirby Puckett (2) | Minnesota Twins | |
| June | Cory Snyder | San Francisco Giants | Kirby Puckett (3) | Minnesota Twins | |
| July | Brett Butler | Los Angeles Dodgers | Edgar Martínez | Seattle Mariners | |
| August | Gary Sheffield | San Diego Padres | Edgar Martínez (2) | Seattle Mariners | |
| September | Barry Bonds (4) | Pittsburgh Pirates | Frank Thomas (2) | Chicago White Sox | |
| 1993 | April | Barry Bonds (5) | San Francisco Giants | John Olerud | Toronto Blue Jays |
| May | Jeff Bagwell | Houston Astros | Paul Molitor (2) | Toronto Blue Jays | |
| June | Andrés Galarraga | Colorado Rockies | John Olerud (2) | Toronto Blue Jays | |
| July | Fred McGriff (2) | San Diego Padres | Rafael Palmeiro | Texas Rangers | |
| August | Tony Gwynn (4) | San Diego Padres | Frank Thomas (3) | Chicago White Sox | |
| September | Andrés Galarraga (2) | Colorado Rockies | Chris Hoiles | Baltimore Orioles | |
| 1994 | April | Ellis Burks | Colorado Rockies | Joe Carter (2) | Toronto Blue Jays |
| May | Lenny Dykstra Mike Piazza |
Philadelphia Phillies Los Angeles Dodgers |
Frank Thomas (4) | Chicago White Sox | |
| June | Jeff Bagwell (2) | Houston Astros | Albert Belle | Cleveland Indians | |
| July | Jeff Bagwell (3) | Houston Astros | Frank Thomas (5) | Chicago White Sox | |
| August | 1994–95 Major League Baseball strike | ||||
| September | |||||
| 1995 | April | ||||
| May | Matt Williams | San Francisco Giants | Manny Ramírez | Cleveland Indians | |
| June | Jeff Conine | Florida Marlins | Edgar Martínez (3) | Seattle Mariners | |
| July | Dante Bichette | Colorado Rockies | Garret Anderson | California Angels | |
| August | Mike Piazza (2) | Los Angeles Dodgers | Albert Belle (2) | Cleveland Indians | |
| September | Dante Bichette (2) | Colorado Rockies | Albert Belle (3) | Cleveland Indians | |
| 1996 | April | Barry Bonds (6) | San Francisco Giants | Frank Thomas (6) | Chicago White Sox |
| May | Jeff Bagwell (4) | Houston Astros | Mo Vaughn | Boston Red Sox | |
| June | Dante Bichette (3) | Colorado Rockies | Mark McGwire | Oakland Athletics | |
| July | Sammy Sosa | Chicago Cubs | Juan González | Texas Rangers | |
| August | Ken Caminiti | San Diego Padres | Alex Rodriguez | Seattle Mariners | |
| September | Ken Caminiti (2) | San Diego Padres | Frank Thomas (7) | Chicago White Sox | |
| 1997 | April | Larry Walker | Colorado Rockies | Ken Griffey, Jr. (2) | Seattle Mariners |
| May | Tony Gwynn (5) | San Diego Padres | Frank Thomas (8) | Chicago White Sox | |
| June | Mike Piazza (3) | Los Angeles Dodgers | Jeff King | Kansas City Royals | |
| July | Barry Bonds (7) | San Francisco Giants | Tim Salmon | Anaheim Angels | |
| August | Mike Piazza (4) | Los Angeles Dodgers | Bernie Williams | New York Yankees | |
| September | Mark McGwire (2) | St. Louis Cardinals | Juan González (2) | Texas Rangers | |
| 1998 | April | Mark McGwire (3) | St. Louis Cardinals | Iván Rodríguez | Texas Rangers |
| May | Mark McGwire (4) | St. Louis Cardinals | Bernie Williams (2) | New York Yankees | |
| June | Sammy Sosa (2) | Chicago Cubs | Rafael Palmeiro (2) | Baltimore Orioles | |
| July | Vladimir Guerrero | Montreal Expos | Albert Belle (4) | Chicago White Sox | |
| August | Jeff Kent | San Francisco Giants | Derek Jeter | New York Yankees | |
| September | Mark McGwire (5) | St. Louis Cardinals | Albert Belle (5) | Chicago White Sox | |
| 1999 | April | Matt Williams (2) | Arizona Diamondbacks | Manny Ramírez (2) | Cleveland Indians |
| May | Sammy Sosa (3) | Chicago Cubs | Nomar Garciaparra | Boston Red Sox | |
| June | Jeromy Burnitz | Milwaukee Brewers | Rafael Palmeiro (3) | Texas Rangers | |
| July | Mark McGwire (6) | St. Louis Cardinals | Joe Randa | Kansas City Royals | |
| August | Vladimir Guerrero (2) | Montreal Expos | Rafael Palmeiro (4) Iván Rodríguez (2) |
Texas Rangers | |
| September | Greg Vaughn | Cincinnati Reds | Albert Belle (6) | Baltimore Orioles | |
| 2000 | April | Vladimir Guerrero (3) | Montreal Expos | Jermaine Dye | Kansas City Royals |
| May | Todd Helton | Colorado Rockies | Edgar Martínez (4) | Seattle Mariners | |
| June | Jeff Kent (2) | San Francisco Giants | Albert Belle (7) | Baltimore Orioles | |
| July | Sammy Sosa (4) | Chicago Cubs | Johnny Damon | Kansas City Royals | |
| August | Todd Helton (2) | Colorado Rockies | Glenallen Hill | New York Yankees | |
| September | Richard Hidalgo | Houston Astros | Jason Giambi | Oakland Athletics | |
| 2001 | April | Luis Gonzalez | Arizona Diamondbacks | Manny Ramírez (3) | Boston Red Sox |
| May | Barry Bonds (8) | San Francisco Giants | Jason Giambi (2) | Oakland Athletics | |
| June | Luis Gonzalez (2) | Arizona Diamondbacks | Mike Sweeney | Kansas City Royals | |
| July | Jeff Bagwell (5) | Houston Astros | Jim Thome | Cleveland Indians | |
| August | Sammy Sosa (5) | Chicago Cubs | Jermaine Dye (2) | Oakland Athletics | |
| September | Barry Bonds (9) | San Francisco Giants | Eric Chavez | Oakland Athletics | |
| 2002 | April | Vladimir Guerrero (4) | Montreal Expos | Torii Hunter | Minnesota Twins |
| May | Todd Helton (3) | Colorado Rockies | Jason Giambi (3) | New York Yankees | |
| June | Jeff Kent (3) | San Francisco Giants | Paul Konerko | Chicago White Sox | |
| July | Larry Walker (2) | Colorado Rockies | Alex Rodríguez (2) | Texas Rangers | |
| August | Barry Bonds (10) | San Francisco Giants | Alex Rodríguez (3) | Texas Rangers | |
| September | Brian Jordan | Los Angeles Dodgers | Manny Ramírez (4) | Boston Red Sox | |
| 2003 | April | Todd Helton (4) | Colorado Rockies | Alfonso Soriano | New York Yankees |
| May | Albert Pujols | St. Louis Cardinals | Edgar Martínez (5) | Seattle Mariners | |
| June | Albert Pujols (2) | St. Louis Cardinals | Jason Giambi (4) | New York Yankees | |
| July | Barry Bonds (11) | San Francisco Giants | Magglio Ordóñez | Chicago White Sox | |
| August | Vladimir Guerrero (5) | Montreal Expos | Alex Rodríguez (4) | Texas Rangers | |
| September | Jim Thome (2) | Philadelphia Phillies | Alfonso Soriano (2) | New York Yankees | |
| 2004 | April | Barry Bonds (12) | San Francisco Giants | Carlos Beltrán | Kansas City Royals |
| May | Lance Berkman | Houston Astros | Melvin Mora | Baltimore Orioles | |
| June | Jim Thome (3) | Philadelphia Phillies | Iván Rodríguez (3) | Detroit Tigers | |
| July | Jim Edmonds | St. Louis Cardinals | Mark Teixeira | Texas Rangers | |
| August | Barry Bonds (13) | San Francisco Giants | Ichiro Suzuki | Seattle Mariners | |
| September | Adrián Beltré | Los Angeles Dodgers | Vladimir Guerrero (6) | Anaheim Angels | |
| 2005 | April | Derrek Lee | Chicago Cubs | Brian Roberts | Baltimore Orioles |
| May | Bobby Abreu | Philadelphia Phillies | Alex Rodríguez (5) | New York Yankees | |
| June | Andruw Jones | Atlanta Braves | Travis Hafner | Cleveland Indians | |
| July | Adam Dunn | Cincinnati Reds | Jason Giambi (5) | New York Yankees | |
| August | Andruw Jones (2) | Atlanta Braves | Alex Rodríguez (6) | New York Yankees | |
| September | Randy Winn | San Francisco Giants | David Ortiz | Boston Red Sox | |
| 2006 | April | Albert Pujols (3) | St. Louis Cardinals | Jason Giambi (6) | New York Yankees |
| May | Jason Bay | Pittsburgh Pirates | Alex Rodríguez (7) | New York Yankees | |
| June | David Wright | New York Mets | Joe Mauer | Minnesota Twins | |
| July | Chase Utley | Philadelphia Phillies | David Ortiz (2) | Boston Red Sox | |
| August | Ryan Howard | Philadelphia Phillies | Travis Hafner (2) | Cleveland Indians | |
| September | Ryan Howard (2) | Philadelphia Phillies | Robinson Canó | New York Yankees | |
| 2007 | April | José Reyes | New York Mets | Alex Rodríguez (8) | New York Yankees |
| May | Prince Fielder | Milwaukee Brewers | Justin Morneau | Minnesota Twins | |
| June | Alfonso Soriano (3) | Chicago Cubs | Alex Rodriguez (9) | New York Yankees | |
| July | Ryan Braun | Milwaukee Brewers | Hideki Matsui | New York Yankees | |
| August | Mark Teixeira (2) | Atlanta Braves | Magglio Ordóñez (2) | Detroit Tigers | |
| September | Matt Holliday | Colorado Rockies | David Ortiz (3) | Boston Red Sox | |
| 2008 | April | Chase Utley (2) | Philadelphia Phillies | Josh Hamilton | Texas Rangers |
| May | Lance Berkman (2) | Houston Astros | Josh Hamilton (2) | Texas Rangers | |
| June | Hanley Ramírez | Florida Marlins | J. D. Drew | Boston Red Sox | |
| July | Ryan Braun (2) | Milwaukee Brewers | Miguel Cabrera | Detroit Tigers | |
| August | Manny Ramirez (5) | Los Angeles Dodgers | Melvin Mora (2) | Baltimore Orioles | |
| September | Ryan Howard (3) | Philadelphia Phillies | Shin-Soo Choo | Cleveland Indians | |
| 2009 | April | Albert Pujols (4) | St. Louis Cardinals | Evan Longoria | Tampa Bay Rays |
| May | Justin Upton | Arizona Diamondbacks | Joe Mauer (2) | Minnesota Twins | |
| June | Albert Pujols (5) | St. Louis Cardinals | B. J. Upton | Tampa Bay Rays | |
| July | Ryan Ludwick | St. Louis Cardinals | Bobby Abreu | Los Angeles Angels | |
| August | Ryan Howard (4) | Philadelphia Phillies | Kendry Morales | Los Angeles Angels | |
| September | Derrek Lee (2) | Chicago Cubs | Billy Butler | Kansas City Royals | |
| 2010 | April | Kelly Johnson | Arizona Diamondbacks | Robinson Canó (2) | New York Yankees |
| May | Troy Glaus | Atlanta Braves | David Ortiz (4) | Boston Red Sox | |
| June | David Wright (2) | New York Mets | Josh Hamilton (3) | Texas Rangers | |
| July | Buster Posey | San Francisco Giants | Delmon Young José Bautista |
Minnesota Twins Toronto Blue Jays |
|
| August | Albert Pujols (6) | St. Louis Cardinals | José Bautista (2) | Toronto Blue Jays | |
| September | Troy Tulowitzki | Colorado Rockies | Alex Rodriguez (10) | New York Yankees | |
| 2011 | April | Ryan Braun (3) | Milwaukee Brewers | José Bautista (3) | Toronto Blue Jays |
| May | Jay Bruce | Cincinnati Reds | José Bautista (4) | Toronto Blue Jays | |
| June | Prince Fielder (2) | Milwaukee Brewers | Adrian Gonzalez | Boston Red Sox | |
| July | Emilio Bonifacio | Florida Marlins | Dustin Pedroia | Boston Red Sox | |
| August | Dan Uggla | Atlanta Braves | Curtis Granderson | New York Yankees | |
| September | Ryan Braun (4) | Milwaukee Brewers | Adrián Beltré (2) | Texas Rangers | |
| 2012 | April | Matt Kemp | Los Angeles Dodgers | Josh Hamilton (4) | Texas Rangers |
| May | Giancarlo Stanton | Miami Marlins | Josh Hamilton (5) | Texas Rangers | |
| June | Andrew McCutchen | Pittsburgh Pirates | José Bautista (5) | Toronto Blue Jays | |
| July | Andrew McCutchen (2) | Pittsburgh Pirates | Mike Trout | Los Angeles Angels | |
| August | Chase Headley | San Diego Padres | Miguel Cabrera (2) | Detroit Tigers | |
| September | Chase Headley (2) | San Diego Padres | Adrián Beltré (3) | Texas Rangers | |
Read more about this topic: Major League Baseball Player Of The Month Award