U UtterChaos Member Mar 13, 2010 #2 Jerry Koosman. The funny thing is, for the first 5 years that it existed it could have been called the Jerry Koosman rookie card. Ryan was 29-38 with a 3.58 ERA. Koosman was 54-41 with a 2.66 ERA.
Jerry Koosman. The funny thing is, for the first 5 years that it existed it could have been called the Jerry Koosman rookie card. Ryan was 29-38 with a 3.58 ERA. Koosman was 54-41 with a 2.66 ERA.