Fred DenfeldDenfeld, FrederickHeight: 6-0 Weight: 186 Born: October 26, 1898 Duluth, MN Died: January 18, 1990 Ramsey County, MN High School:  | 
| Year | College | Status | 
|---|---|---|
| 1916 | Navy | Played | 
| 1918 | Navy | Lettered | 
| 1919 | Navy | Lettered | 
| Military Service: United States Navy | 
| Roster Key • Stat Key | 
| YEAR TEAM | NO | POS | GP | GS | 
|---|---|---|---|---|
| 1920 Rock Island Independents (APFA)1920 RI APFA | 14 | ROG-RDG-LOG-LDG | 3 | 2 | 
| 1925 Duluth Kelleys (NFL)1925 DUL NFL | LOG-LDG-ROG-RDG-ROT-RDT | 3 | 2 | |
| 2 Years (NFL)2 Years NFL | 6 | 4 | 
| Transaction | Date | Team | 
|---|---|---|
| Signed | 1920 Rock Island Independents (APFA)1920 RI APFA | |
| Free Agent | 1920 Rock Island Independents (APFA)1920 RI APFA | |
| Signed | 1922 Duluth Kelleys1922 DUL | |
| Free Agent | 1922 Duluth Kelleys1922 DUL | |
| Signed | 1925 Duluth Kelleys (NFL)1925 DUL NFL | |
| Free Agent | 1925 Duluth Kelleys (NFL)1925 DUL NFL | 
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| Last Updated: September 17, 2025 |