Ten Philadelphia Phillies “one and done” players since 1980

Bobby Munoz (1994)
Munoz pitched one season for the Yankees before having it all click with the Phillies in 1994. He appeared in 21 games, 14 as a starter with a record of 7-5 with a 2.67 ERA. He never had another season with an ERA under 5, going 1-14 over parts of the next five seasons. Munoz finished his career with 11-22 with a 5.17 ERA.