1991 staff
| Coach | Role | Since |
|---|---|---|
| Head coach1 | ||
| Glen Mason | Head Coach | 1988 |
| Coordinators1 | ||
| Pat Ruel | Offensive Coordinator | 1991 |
| Position coaches1 | ||
| Mark Dantonio | Defensive Backs | 1991 |
A stint appears in a season when it overlaps it, so a coach hired in 1991 and a coach in their ninth year both show here, each with the full range of their stint.