Rollie Fingers broke with the A's in 1968 and became their closer in 1971.
Fingers and the A's won the AL West in 1971, The World Series in 1972, 1973 & 1974 and one more division in 1975.
Charlie Finley blew up the team in 1976 and Fingers went to San Diego. He pitched for Milwaukee in the 1982 World Series.
Fingers saved 341 games and was one of the key reasons for the A's incredible run in the 1970's. He was selected to The Hall of Fame in 1992.