| Nickname(s) | Bronco; Big See |
|---|---|
| Born: | c. 1942 (age 81–82) East St. Louis, Illinois, U.S. |
| Career information | |
| Position(s) | T |
| Height | 6 ft 1 in (185 cm) |
| Weight | 250 lb (110 kg) |
| University | Missouri |
| NFL draft | 1963, round: 10, pick: 131 |
| Drafted by | Baltimore Colts |
| Career history | |
| As player | |
| 1963–1965 | Ottawa Rough Riders |
William J. Siekierski (born c. 1942) is a retired Canadian football player who played for the Ottawa Rough Riders. He played college football at University of Missouri.[1][2]