 Wilhelm 's first assignment in the Giants organization was in Class B with the 1948 <unk> <unk> , for whom he registered 13 wins and 9 losses . He spent a few games that season with the Class A Jacksonville <unk> of the South Atlantic League . Wilhelm returned to Jacksonville in 1949 , earning a 17 – 12 win @-@ loss record and a 2 @.@ 66 earned run average ( ERA ) . With the Class AAA Minneapolis <unk> in 1950 , Wilhelm was the starting pitcher in 25 of his 35 games pitched , registering a 15 – 11 record with a 4 @.@ 95 ERA . His ERA came down to 3 @.@ 94 in 1951 with Minneapolis , but his record finished at 11 – 14 . Wilhelm had been used in a similar role that season , mostly starting games but also making eleven relief appearances . 
