| Ottawa Redblacks | |
| Born: | September 9, 1956 Beverly, Massachusetts, U.S. |
|---|---|
| Career information | |
| CFL status | American |
| Position(s) | Defensive line coach |
| Height | 6 ft 4 in (193 cm) |
| Weight | 240 lb (110 kg) |
| College | Oregon State |
| NFL draft | 1978, round: 7, pick: 186 |
| Drafted by | Philadelphia Eagles |
| Career history | |
| As coach | |
| 1990 | Ottawa Bootleggers (HC) |
| 1991–1993 | Ottawa Sooners (HC) |
| 1994–1995 | Saskatchewan Roughriders (DL coach) |
| 1996–1999 | Saskatchewan Roughriders (DC) |
| 2000–2004 | Edmonton Eskimos (DC/DL coach) |
| 2005 | Ottawa Renegades (A. HC/DC) |
| 2006–2008 | Winnipeg Blue Bombers (DC/LB coach) |
| 2009–2010 | Hamilton Tiger-Cats (A. HC/DC/LB coach) |
| 2011 | Saskatchewan Roughriders (HC) |
| 2013 | Edmonton Eskimos (DC) |
| 2014–2017 | Queen's Gaels (DC) |
| 2018–2023 | Toronto Varsity Blues (HC) |
| 2024–present | Ottawa Redblacks (DL coach) |
| As player | |
| 1978 | Baltimore Colts |
| 1980–1988 | Ottawa Rough Riders |
| Career highlights and awards | |
| |
| CFL All-Star | 1981, 1983 |
| CFL East All-Star | 1981, 1982, 1983, 1984 |
Gregory Edward Marshall (born September 9, 1956) is the defensive line coach for the Ottawa Redblacks of the Canadian Football League (CFL). He is also a former gridiron football defensive end where he played professionally for the Ottawa Rough Riders for nine years where he was named the league's Most Outstanding Defensive Player in 1983. He has also served as the head coach for the Saskatchewan Roughriders (CFL) and the Toronto Varsity Blues (U Sports).