posted on Sep, 4 2004 @ 11:20 AM
You can't pluralize something that's already plural, and Runs Batted In is no different. RBI is the most versatile of acronyms - it denotes a Run
Batted In when a batter knocks in only one run and Runs Batted In when a batter drives in two or more runs. Either way you look at it, singular or
plural, RBIs don't exist, but RBI does...
[Edited on 9/4/04 by deanchristopher]