Coaches / Defensive coordinator / Marc Mattioli
Career
64
not coaching now
Rating64recent
Peak64best 5 yrs
Career64whole career
confidence
Marc Mattioli
Defensive Coordinator/Safeties · Kennesaw State
Headline rating: as defensive coordinator. Every role he has been rated in is below.
Chemistry
—
index in development
Seasons here2
Programs2
Stints2
Career path
Head-coaching stints since 1936; assistant roles since 2016
As defensive coordinator
Rating64Peak64
His defense against its preseason projection (value over expectation) and the unit's opponent-adjusted quality.
| Season | Team | Unit (EPA/play) | Over expectation | Season score |
|---|---|---|---|---|
| 2025 | Kennesaw State | -0.07 | 0.03 | -0.08 |
Season score: 0 = an average season in this role; positive = better.
As position coach · defensive backs
Rating58Peak68
Room quality, development (his players gaining more than typical players at the position year to year) and recruiting credit.
| Season | Team | Room | Room quality | Development | Recruiting | Season score |
|---|---|---|---|---|---|---|
| 2025 | Kennesaw State | Defensive backs | 73 | -0.5 | — | -0.14 |
| 2020 | Vanderbilt | Defensive backs | 66 | -11.9 | 0.848 | -1.43 |
| 2019 | Vanderbilt | Defensive backs | 70 | +2.1 | 0.890 | 0.11 |
| 2018 | Vanderbilt | Defensive backs | 76 | -2.2 | 0.859 | -0.06 |
| 2017 | Vanderbilt | Defensive backs | 75 | +1.8 | 0.875 | 0.30 |
| 2016 | Vanderbilt | Defensive backs | 76 | — | 0.840 | -0.03 |
Season score: 0 = an average season in this role; positive = better.