Rosen was born in a Jewish family in 1908 and was raised in Chicago.[1][3] During the early days, he led the Von Humboldt School team and they won YMCA baseball title.[2] He was married to Anne Rosen. His wife died in 1989.[2]
In 1931, Rosen helped the University of Illinois to win a conference championship.[2]
In 1932, Rosen won the American Softball Association Fast-pitch Championship for the first time.[1] His statistics include, winning more than 3,000 games, hurled 195 perfect games, and pitched 300 no-hitters.[1]
In 1946, Rosen took retirement from the sports.[3]
Rosen also became a member of the National Softball Hall of Fame and Museum and was the first Jewish person to achieve this recognition.[3][4]
Rosen died in 1997.[2]
