The GWRBI

Baseball is a sport full of statistics, and there’s one weird footnote of a stat that was, from 1980 to 1988, elevated to prominence. This was the Game Winning Run Batted In. Defined simply as “The RBI that gives a club the lead it never relinquishes” , it existed but never felt that prominent. The career leader in GWRBIs during this period was Keith Hernandez.

“Normal” RBIs were one of the first stats that sabermetricians slammed, and with good reason. The stat is simply too context-dependent and reliant on how good at getting on base the players batting before the RBI hitter are. Rickey Henderson didn’t have that many RBIs because he was always a leadoff hitter, so the bases were either empty or he appeared after the team’s worst hitters. GWRBIs have that and the same “reliant on the other half off the inning” issue as pitcher wins. And while meant to embody the likes of Bill Mazeroski’s famous home run, the definition of a GWRBI means that a marginal player singling in the first run early in an 11-0 squash is also credited with it.

So few people mourned the stat when it was discontinued. Yet I have a strange affection for it, for while near-useless for evaluating players, it reveals a little about the paths of individual games.

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