Coaching Timeline
Why does coaching matter?CFB
Rensselaer
Graduate Assistant
19961 yr
CFB
Amherst
Defensive Line
1999-002 yrs
CFB
Syracuse
Graduate Assistant
2001-033 yrs

New England Patriots
Offensive Assistant
20041 yr

New England Patriots
Asst. Offensive Line
20051 yr

New England Patriots
Linebackers
2006-116 yrs

New England Patriots
Defensive Coordinator
2012-176 yrs

Detroit Lions
Head Coach
2018-203 yrs

New England Patriots
Asst. Head Coach
20211 yr

New England Patriots
Offensive Line
20221 yr

Philadelphia Eagles
Senior Defensive Asst.
20231 yr
Team Info
| Season | Role | Team | Record | HC | OC | DC | QB1 | QB2 | RB1 | WR/TE 1 | WR/TE 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | Senior Defensive Asst. | PHI | 11-6 | Nick Sirianni | Brian Johnson | Sean Desai | Jalen Hurts(16.50) | Marcus Mariota(1.25) | D'Andre Swift(15.50) | A.J. Brown(16.25) | DeVonta Smith(16.00) |
| 2022 | Other Notable Asst. | NE | 8-9 | Bill Belichick | — | Bill Belichick | Mac Jones(13.50) | Bailey Zappe(3.75) | Rhamondre Stevenson(16.50) | Jakobi Meyers(14.00) | DeVante Parker(11.25) |
| 2021 | Other Notable Asst. | NE | 10-7 | Bill Belichick | Josh McDaniels | Bill Belichick | Mac Jones(17.00) | — | Damien Harris(14.25) | Kendrick Bourne(16.75) | Jakobi Meyers(17.00) |
| 2020 | Head Coach | DET | 5-11 | Darrell Bevell | Darrell Bevell | Cory Undlin | Matthew Stafford(15.25) | Chase Daniel(1.50) | D'Andre Swift(12.25) | Marvin Jones(16.00) | T.J. Hockenson(16.00) |
| 2019 | Head Coach | DET | 3-12-1 | Matt Patricia | Darrell Bevell | Paul Pasqualoni | Matthew Stafford(8.00) | David Blough(5.00) | Kerryon Johnson(7.25) | Kenny Golladay(15.50) | Marvin Jones(13.00) |
Coach Impact
Note: only calculated for first year upon arrival — take results with a grain of salt.

Detroit Lions (2018–2020)
Head Coach
Playbook Fingerprint
↓No-Huddle% -21.0%1↑Horizontal% +14.2%98↑Under Center% +18.2%94
| Before (2017) | First Year (2018) | Delta | |
|---|---|---|---|
| OFFENSE | |||
| Scripted EPA | -0.12113 | 0.03762 | ▲ +0.15885 |
| RZ P/V | 5.049 | 5.043 | ▼ -0.143 |
| 3&Out% | 33.9%32 | 28.2%66 | ▼ -5.7%82 |
| Penalty EPA | 0.921 | 10.171 | ▲ +9.218 |
| Pass EPA | 0.06657 | 0.00538 | ▼ -0.06135 |
| Rush EPA | -0.2221 | -0.09036 | ▲ +0.13295 |
| xRY | 0.000 | 3.9039 | ▲ +3.9092 |
| RYOE | 0.0026 | 0.4377 | ▲ +0.4378 |
| YAC OEX | 0.9989 | 0.7979 | ▼ -0.2030 |
| xYAC OEX | 0.0756 | 0.1564 | ▲ +0.0857 |
| DEFENSE | |||
| RZ P/V | 5.143 | 5.145 | ▼ -0.052 |
| 3&Out% | 34.6%78 | 29.7%41 | ▼ -4.9%21 |
| TO Rate | 3.0%97 | 1.3%8 | ▼ -1.7%0 |
| Penalty EPA | -7.097 | 11.521 | ▲ +18.53 |
| Pass EPA | -0.03179 | 0.10624 | ▲ +0.13712 |
| Rush EPA | -0.07051 | -0.07955 | ▼ -0.00958 |
| xRY Allowed | 0.00100 | 4.1833 | ▲ +4.185 |
| RYOE Allowed | 0.0074 | 0.6413 | ▲ +0.6412 |
| YAC OEX Allowed | 0.5142 | 0.2282 | ▼ -0.2984 |
| xYAC OEX Allowed | 0.2311 | 0.0344 | ▼ -0.2180 |
Coaching Signature
Under Center LeaningLight 12 PersonnelSpread xFP DistributionRun-Heavy (vs Expected)Conservative on 4th DownStrong Scripted PlaysWeak Run GameWeak Defense
Player Impacts
Skill positions only (QB/RB/WR/TE), min 4 adj. games per qualifying season. Baselines use the 1–2 seasons immediately before the coach took over.

Detroit Lions (2018–2020)
Head Coach
Personal-best FP/G seasons set under this coach (must clear pre-coach peak).
| WR | Kenny Golladay | 13.92019 FP/G · 15.5 gp | 7.3Prev Best | +89.6% |
| QB | Matthew Stafford | 20.92019 FP/G · 8.0 gp | 17.5Prev Best | +19.2% |
| WR | Marvin Jones | 12.52019 FP/G · 13.0 gp | 12.2Prev Best | +3.0% |

New England Patriots (2021)
Asst. Head Coach
Personal-best FP/G seasons set under this coach (must clear pre-coach peak).
| RB | Damien Harris | 14.12021 FP/G · 14.3 gp | 9.1Prev Best | +54.9% |
Core Efficiency
Pass/Rush Splits
| Year | Role | Team | % Pass | Pass EPA | Pass Succ% | Pass SOS | xYAC OEX | YAC OEX | % RB Rush | Rush EPA | Rush Succ% | Rush SOS | xRY | RYOE | % QB Rush | QB Rush EPA |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | HC | DET | 63.8% | 0.090 | 48.0% | 0.013 | 0.00 | 0.03 | 33.5% | -0.125 | 37.6% | -0.010 | 4.46 | -0.11 | 2.7% | 0.394 |
| 2019 | HC | DET | 61.6% | 0.033 | 43.7% | 0.021 | 0.03 | -0.05 | 34.4% | -0.141 | 35.9% | -0.010 | 4.06 | -0.56 | 4.0% | 0.190 |
| 2018 | HC | DET | 61.5% | 0.005 | 42.9% | -0.021 | 0.15 | 0.79 | 36.8% | -0.090 | 35.7% | -0.011 | 3.90 | 0.43 | 1.8% | 0.323 |
Scheme
| Year | Role | Team | Shotgun% | Under Center % | RPO% | PA% | Motion% | 1R% | Horiz% | Screen% | WR Tgt% | RB Tgt% | TE Tgt% | 11 Pers | 12 Pers | 13 Pers | 21 Pers | XFP Conc |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2020 | HC | DET | 33.2% | 67.4% | 4.4% | 17.1% | — | — | 56.2% | 8.7% | 57.8% | 19.3% | 22.8% | 66.9% | 15.1% | 2.7% | 0.2% | 49.6% |
| 2019 | HC | DET | 35.7% | 64.3% | 1.6% | 18.6% | — | — | 52.5% | 5.5% | 60.0% | 18.5% | 21.2% | 59.8% | 16.3% | 2.9% | 10.4% | 49.5% |
| 2018 | HC | DET | 36.5% | 63.7% | — | — | — | — | 55.5% | 9.5% | 62.4% | 25.5% | 11.9% | 57.1% | 12.2% | 1.4% | 10.4% | 55.9% |
XFP Summary
| Season | Role | Team | Type | GP | XFP | FP | XFP/G | FP/G | OEX% | % XFP | % FP | RZ XFP/G | RZ FP/G | RZ OEX% | % RZ XFP | % RZ FP |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2023 | Senior Defensive Asst. | PHI | QB Pass | 17 | 218.2 | 220.9 | 12.8 | 13.0 | +1.2% | — | — | 3.1 | 3.7 | +20.1% | — | — |
| 2023 | Senior Defensive Asst. | PHI | QB Rush | 17 | 147.4 | 148.7 | 8.7 | 8.7 | +0.9% | 14.2% | 13.9% | 4.6 | 5.7 | +24.0% | 31.2% | 34.6% |
| 2023 | Senior Defensive Asst. | PHI | RB Rush | 17 | 204.3 | 195.2 | 12.0 | 11.5 | -4.5% | 19.7% | 18.2% | 4.1 | 3.5 | -14.9% | 27.7% | 21.1% |
| 2023 | Senior Defensive Asst. | PHI | RB Rec | 16 | 102.7 | 86.4 | 6.4 | 5.4 | -15.8% | 9.9% | 8.1% | 0.4 | 0.7 | +56.6% | 2.7% | 3.8% |
| 2023 | Senior Defensive Asst. | PHI | WR/TE Rec | 17 | 580.3 | 640.8 | 34.1 | 37.7 | +10.4% | 56.0% | 59.8% | 5.6 | 6.7 | +18.9% | 38.1% | 40.5% |
| 2023 | Senior Defensive Asst. | PHI | WR/TE Rush | 1 | 0.9 | 0.1 | 0.9 | 0.1 | -89.3% | 0.1% | 0.0% | 0.9 | 0.1 | -89.3% | 0.4% | 0.0% |
