L
- "Lefty" =
- Steve Carlton, American starting pitcher
- Vernon Gómez, American starting pitcher
- Robert Grove, American starting pitcher
- Francis O'Doul, American starting pitcher, outfielder, and manager
- Claude Williams, American starting pitcher
- "The Left Arm of God" = Sandy Koufax, American starting pitcher
- "Lieby" = Mike Lieberthal, American catcher
- "Lights Out" = Brad Lidge, American closer
- "The Lip" = Leo Durocher, American shortstop and manager
- "Little Poison = Lloyd Waner, United States baseball player
- "Live Oak" = Edward S. Taylor
- "Long Bob" = Robert Meusel, United States baseball player
- "Losing Pitcher" = Hugh Mulcahy, American starting pitcher
- "Louisiana Lightning" = Ron Guidry, American starting pitcher
Read more about this topic: List Of Baseball Player Nicknames