⚾Defunct Statistical category⚾ --The Game Winning RBI. Only existed from 1980-1988. Given to the player who drove in the run that put a team into the lead for good. No matter if it was a bloop single in the 3rd that drove in the 1st run of a 5-0 win or a bottom of the 9th walk off HR. (17) Keith Hernandez is the all time leader with 129 of these, including a record 24 in 1985. 
Keith actually picked up a game winning RBI on June 14th, 1987. Be sure to check out #amazingblazezinenumber 5 for the rest of the story.