On-base plus slugging plus runs batted in

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On-base plus slugging plus runs batted in (OPSBI) is a baseball statistic calculated as the normalized sum of a player's on-base percentage and slugging percentage added to their runs batted in. Former Major League Baseball general manager, Jim Bowden, created this statistic.^[1] Hall of Fame outfielder, Babe Ruth, holds both the single-season and career OPSBI records.

The basic formula is

${\displaystyle OPSBI=((OBP+SLG)*1000)+RBI\,}$

where OBP is on-base percentage and SLG is slugging average. These averages are defined as:

${\displaystyle OBP={\frac {H+BB+HBP}{AB+BB+SF+HBP}}}$

and

${\displaystyle SLG={\frac {TB}{AB}}}$

where:

• H = Hits
• BB = Base on balls
• HBP = Times hit by pitch
• AB = At bats
• SF = Sacrifice flies
• TB = Total bases

Rewriting the expression to account for the different denominators yields the final expression for OPSBI:

${\displaystyle OPSBI={\frac {AB*(H+BB+HBP)+TB*(AB+BB+SF+HBP)}{AB*(AB+BB+SF+HBP)}}*1000+RBI}$

The Top 10 single-season OPSBI performances in Major League Baseball history:

The Top 10 MLB players in lifetime OPSBI through the 2013 season are (active players in bold):

• On-base percentage
• Slugging percentage
• Runs batted in
• Sabermetrics