Defensive Coordinator at UCF since 2025.
Drawing the tree…
Nothing on the wire for Alex Grinch. The wire carries moves published since the register went live; the career above is the record before that.
| Coach | Link | Seasons |
|---|---|---|
| Coached under 21 | ||
| Scott Frost | Coached under at UCF | 2025–2026 |
| Luke Fickell | Coached under at Wisconsin | 2024 |
| Lincoln Riley | Coached under at USC | 2022–2023 |
| Bob Stoops | Coached under at Oklahoma | 2021 |
| Lincoln Riley | Coached under at Oklahoma | 2019–2021 |
| Ryan Day | Coached under at Ohio State | 2018 |
| Urban Meyer | Coached under at Ohio State | 2018 |
| Joe Bolden | Coached under at Washington State | 2017 |
| 13 more, most recent shown first. | ||
| Succeeded 7 | ||
| Colin Hitschler | Succeeded at Wisconsin | 2024 |
| Ted Roof | Succeeded by at Oklahoma | 2022 |
| Greg Mattison | Succeeded by at Ohio State | 2019 |
| Jeff Hafley | Succeeded by at Ohio State | 2019 |
| Tracy Claeys | Succeeded by at Washington State | 2018 |
| Mike Breske | Succeeded at Washington State | 2015 |
| Barry Odom | Succeeded at | |
| 2012 |
2 of 2 coordinators became head coaches
25 seasons, longest first