Vern Olsen
Debuting as a September call-up for the Chicago Cubs in 1939, 22-year-old southpaw Vern Olsen tossed four shutouts in a span of eight starts in 1940 en route to leading all NL rookies with 13 victories. A dependable starter and reliever on weak Cubs teams, Olsen averaged 10 wins and 166 innings per season (1940-1942) […]