Cal BolstersBolster, Calvin LouisBorn: October 12, 1893 Pittsburgh, PA Born: October 12, 1893 Pittsburgh, PA High School: Allegheny (Pittsburgh, PA) |
| Year | College | Participation |
|---|---|---|
| Duquesne | Not on Team |
| Military Service: United States Army |
| Year | League | Assignment |
|---|---|---|
| 1940 | NFL | Umpire |
| 1 Year |