#21
13 players have worn #21 for the Buffalo Sabres
Who's Worn #21
| Player | Pos | Seasons |
|---|---|---|
| Conor Timmins | D | 2025–2027 |
| Kyle Okposo | R | 2016–2023 |
| Drew Stafford | R | 2006–2015 |
| Radoslav Hecl | D | 2002–2003 |
| Mark Astley | D | 1993–1996 |
| James Black | L | 1993–1994 |
| Christian Ruuttu | C | 1986–1992 |
| Bob Halkidis | D | 1984–1989 |
| Claude Verret | C | 1983–1985 |
| John Gould | R | 1971–1974 1979–1980 |
| Brian Spencer | L | 1973–1977 |
| Ron Busniuk | R | 1972–1974 |
| Hugh Harris | C | 1972–1973 |