Secondary Average

Secondary average, or SecA, is a baseball statistic - more precisely, a sabermetric measurement of hitting performance. It is a complement to batting average, which is a simple ratio of base hits to at bats. Secondary average is a ratio of bases gained from other sources (extra base hits, walks and net bases gained through stolen bases) to at bats. Secondary averages have a higher variance than batting averages.

In modern Major League Baseball, a secondary average higher than about .500 is considered outstanding, and one below .200 is considered very poor. The league average SecA is typically similar to the league average batting average, in the range of .250-280.

The formula is

where

  • TB = Total bases
  • H = Hits
  • BB = bases on balls
  • SB = Stolen bases
  • CS = Caught stealing
  • AB = At bats
Baseball statistics
Batting
  • Batting average
  • On-base percentage
  • Slugging percentage
  • Hit –
    • Single
    • Double
    • Triple
    • Home run
  • Grand slam
  • RBI
  • Game-winning RBI
  • Walk
  • Bunt
  • Sacrifice bunt
  • Sacrifice fly
  • On-base plus slugging
Baserunning
  • Run
  • Stolen base
  • Stolen base percentage
  • Caught stealing
Pitching
  • Win–loss record
  • Pitchers of record
  • Save
  • Hold
  • Run
    • Earned
  • ERA
  • Strikeout
  • Walk
  • Perfect Game
  • No Hitter
  • WHIP
  • Quality start
  • Complete game
  • Shutout
  • Wild pitch
  • Passed ball
Fielding
  • Fielding percentage
  • Assist
  • Putout
  • Error
  • Fielder's choice
  • Defensive indifference
  • Catcher's ERA
Sabermetrics
  • Base runs
  • Batting park factor
  • Defensive Runs Saved
  • Extrapolated Runs
  • Game score
  • Isolated Power
  • Range factor
  • Runs created
  • Secondary average
  • NERD
  • Out of zone plays made
  • Ultimate zone rating
  • Weighted on-base average
  • Wins above replacement
  • Win probability added
  • Win shares
Team stats
  • Sports league ranking

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