 Feller was elected the inaugural president of the Major League Baseball Players ' Association in 1956 . As president , he appeared before Congress to speak about baseball 's reserve clause . Feller was the first player to get a franchise to agree to a share of game receipts when he was the starting pitcher for Indians ' games . He was also the earliest player to incorporate himself ( as Ro @-@ Fel , Inc . ) . He was also one of the first players to work for the right of a player to enter free agency . 
