San Francisco 49ers Offensive Player of the Year winners
5 players won the Offensive Player of the Year in a season with the San Francisco 49ers. Jerry Rice did it the most, twice (1987, 1993). On a roster now: Christian McCaffrey.
A winner counts for a club when he played for it in the season he won, the Immaculate Grid's rule. Award lists from Wikipedia. Seasons are on file in full from 1993; before that only some of the stars are, so an older name can be missing.