| Riley MathesonMatheson, Riley Merle (Rattlesnake)Height: 6-2 Weight: 207 Born: December 6, 1914 Shannon City, TX Died: June 28, 1987 Paraguay High School: Headrick (OK) | 
| Year | College | Status | 
|---|---|---|
| 1935 | Cameron JC | |
| 1936 | Cameron JC | |
| 1937 | Texas-El Paso | Lettered | 
| 1938 | Texas-El Paso | Lettered | 
| YEAR TEAM | NO | POS | GP | GS | 
|---|---|---|---|---|
| 1939 Cleveland Rams (NFL)1939 CLE NFL | 28 | ROG-RDG | 2 | 2 | 
| 1939 Columbus Bullies (AFL)1939 COL AFL | 16 | LG | 8 | 4 | 
| 1940 Cleveland Rams (NFL)1940 CLE NFL | 11 | LOG-LDG-ROG-RDG | 11 | 0 | 
| 1941 Cleveland Rams (NFL)1941 CLE NFL | 11 | ROG-RDG-LOG-LDG | 11 | 6 | 
| 1942 Cleveland Rams (NFL)1942 CLE NFL | 11 | LOG-LDG | 10 | 8 | 
| 1943 Detroit Lions (NFL)1943 DET NFL | 83 | LOG-LDG | 10 | 9 | 
| 1944 Cleveland Rams (NFL)1944 CLE NFL | 33 | LOG-LDG | 9 | 8 | 
| 1945 Cleveland Rams (NFL)1945 CLE NFL | 11 | LOG-LDG | 10 | 9 | 
| 1946 Los Angeles Rams (NFL)1946 LARM NFL | 11 | ROG-RDG-C-LB | 11 | 11 | 
| 1947 Los Angeles Rams (NFL)1947 LARM NFL | 11 | MG-LOG | 12 | 12 | 
| 1948 San Francisco 49ers (AAFC)1948 SF AAFC | 37 | ROG-RDG-LOG-LDG | 14 | 14 | 
| 1949 Calgary Stampeders (WIFU)1949 CAL WIFU | 11 | G | 13 | 13 | 
| 1950 Calgary Stampeders (WIFU)1950 CAL WIFU | 11 | G | 11 | |
| 10 Years (NFL)10 Years NFL | 100 | 79 | ||
| 2 Years (CFL)2 Years CFL | 24 | 13 | 
| Transaction | Date | Team | 
|---|---|---|
| Signed | 3/7/1939 | 1939 Cleveland Rams (NFL)1939 CLE NFL | 
| Allocated | 9/28/1939 | 1939 Columbus Bullies (AFL)1939 COL AFL | 
| Allocated | 1943 Detroit Lions (NFL)1943 DET NFL | |
| Returned | 1944 Cleveland Rams (NFL)1944 CLE NFL | |
| Free Agent | 5/1/1948 | 1947 Los Angeles Rams (NFL)1947 LARM NFL | 
| Signed | 1948 San Francisco 49ers (AAFC)1948 SF AAFC | |
| Retired | 12/6/1948 | 1948 San Francisco 49ers (AAFC)1948 SF AAFC | 
| Signed | 1949 Calgary Stampeders (WIFU)1949 CAL WIFU | |
| Retired | 10/13/1950 | 1950 Calgary Stampeders (WIFU)1950 CAL WIFU | 
| SCORING | TD | X1 | X1A | X1% | X2 | X2A | DX | FG | FGA | FG% | S | SAF | PTS | 
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1949 Calgary Stampeders (WIFU)1949 CAL WIFU | 0 | 0 | - | - | - | 0 | 0 | 1 | 2 | ||||
| Career Totals (CFL)Career Totals CFL | 0 | 0 | 0 | 0 | 1 | 2 | 
| INTERCEPTIONS | NO | YDS | AVG | LG | TD | 
|---|---|---|---|---|---|
| 1941 Cleveland Rams (NFL)1941 CLE NFL | 1 | 1 | 1.0 | 1 | 0 | 
| 1942 Cleveland Rams (NFL)1942 CLE NFL | 1 | 13 | 13.0 | 13 | 0 | 
| 1944 Cleveland Rams (NFL)1944 CLE NFL | 3 | 12 | 4.0 | 6 | 0 | 
| 1945 Cleveland Rams (NFL)1945 CLE NFL | 2 | 49 | 24.5 | 45 | 0 | 
| 1946 Los Angeles Rams (NFL)1946 LARM NFL | 4 | 11 | 2.8 | 7 | 0 | 
| 1947 Los Angeles Rams (NFL)1947 LARM NFL | 1 | 5 | 5.0 | 5 | 0 | 
| 1948 San Francisco 49ers (AAFC)1948 SF AAFC | 2 | 4 | 2.0 | 0 | |
| Career Totals (NFL)Career Totals NFL | 14 | 95 | 6.8 | 45 | 0 | 
| PUNT RETURNS | NO | FC | YDS | AVG | LG | TD | 20+ | 40+ | FUM | 
|---|---|---|---|---|---|---|---|---|---|
| 1945 Cleveland Rams (NFL)1945 CLE NFL | 1 | 5 | 5.0 | 5 | 0 | 0 | 0 | 0 | |
| Career Totals (NFL)Career Totals NFL | 1 | 5 | 5.0 | 5 | 0 | 0 | 0 | 0 | 
| FUMBLES | NO | LOST | OWN | OPP | REC | YDS | TD | 
|---|---|---|---|---|---|---|---|
| 1945 Cleveland Rams (NFL)1945 CLE NFL | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 
| 1946 Los Angeles Rams (NFL)1946 LARM NFL | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 
| 1947 Los Angeles Rams (NFL)1947 LARM NFL | 0 | 0 | 0 | 1 | 1 | 0 | 0 | 
| Career Totals (NFL)Career Totals NFL | 0 | 0 | 0 | 3 | 3 | 0 | 0 | 
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| Last Updated: October 4, 2025 |