Coaching Timeline
Why does coaching matter?
Denver Broncos
Other Notable Asst.
2000-023 yrs

Jacksonville Jaguars
Other Notable Asst.
2003-042 yrs

Dallas Cowboys
Other Notable Asst.
2005-062 yrs

Cleveland Browns
Other Notable Asst.
2007-082 yrs

New York Jets
Other Notable Asst.
2009-124 yrs

New York Jets
Asst. Head Coach
2013-142 yrs

Buffalo Bills
Asst. Head Coach
20151 yr

Buffalo Bills
Head Coach
20161 yr

Los Angeles Chargers
Head Coach
2017-204 yrs

Detroit Lions
Offensive Coordinator
20211 yr

San Francisco 49ers
Asst. Head Coach
2022-232 yrs

Washington Commanders
Run Game Coordinator
2024-252 yrs

Washington Commanders
20261 yr
Team Info
| Season | Role | Team | Record | HC | OC | DC | QB1 | QB2 | RB1 | WR/TE 1 | WR/TE 2 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | — | WAS | — | Dan Quinn | David Blough | Daronte Jones | — | — | — | — | — |
| 2025 | Run Game Coordinator/RB | WAS | 5-12 | Dan Quinn | Kliff Kingsbury | Joe Whitt | Marcus Mariota(9.00) | Jayden Daniels(6.50) | Jacory Croskey-Merritt(14.00) | Deebo Samuel(15.75) | Zach Ertz(12.50) |
| 2024 | Run Game Coordinator/RB | WAS | 12-5 | Dan Quinn | Kliff Kingsbury | Joe Whitt | Jayden Daniels(15.50) | Marcus Mariota(1.75) | Brian Robinson(12.75) | Terry McLaurin(16.75) | Zach Ertz(16.00) |
| 2023 | Other Notable Asst. | SF | 12-5 | Kyle Shanahan | — | Steve Wilks | Brock Purdy(16.00) | Sam Darnold(3.00) | Christian McCaffrey(15.50) | Deebo Samuel(13.75) | Brandon Aiyuk(15.25) |
| 2022 | Other Notable Asst. | SF | 13-4 | Kyle Shanahan | — | DeMeco Ryans | Jimmy Garoppolo(10.25) | Brock Purdy(6.25) | Christian McCaffrey(10.75) | Brandon Aiyuk(16.75) | George Kittle(14.75) |
Coach Impact
Note: only calculated for first year upon arrival — take results with a grain of salt.

Buffalo Bills (2016)
Head Coach(Promoted — was Asst. Head Coach/Running Backs here)
First tracked season — no prior year comparison available
Promoted within team — delta reflects year-over-year change
| 2016 | |
|---|---|
| OFFENSE | |
| Scripted EPA | 0.03361 |
| RZ P/V | 5.156 |
| 3&Out% | 30.9%49 |
| Penalty EPA | 4.643 |
| Pass EPA | 0.06456 |
| Rush EPA | 0.06798 |
| xRY | 0.000 |
| RYOE | 0.0026 |
| YAC OEX | -0.660 |
| xYAC OEX | -0.1341 |
| DEFENSE | |
| RZ P/V | 5.060 |
| 3&Out% | 29.3%37 |
| TO Rate | 1.7%32 |
| Penalty EPA | 12.417 |
| Pass EPA | 0.08133 |
| Rush EPA | -0.04636 |
| xRY Allowed | 0.00100 |
| RYOE Allowed | 0.0074 |
| YAC OEX Allowed | 0.2381 |
| xYAC OEX Allowed | 0.391 |

Los Angeles Chargers (2017–2020)
Head Coach
Playbook Fingerprint
↓Low PC% -8.1%87↑RB Tgt% +4.3%85↓TE Tgt% -5.2%17
| Before (2016) | First Year (2017) | Delta | |
|---|---|---|---|
| OFFENSE | |||
| Scripted EPA | 0.12386 | -0.04136 | ▼ -0.16411 |
| RZ P/V | 5.045 | 4.614 | ▼ -0.422 |
| 3&Out% | 34.6%27 | 23.7%92 | ▼ -10.9%95 |
| Penalty EPA | 7.862 | 4.541 | ▼ -3.361 |
| Pass EPA | 0.08161 | 0.16284 | ▲ +0.08173 |
| Rush EPA | -0.09632 | -0.08141 | ▲ +0.01553 |
| xRY | 0.000 | 0.000 | 0.0043 |
| RYOE | 0.0026 | 0.0026 | 0.0039 |
| YAC OEX | 0.1423 | 0.6970 | ▲ +0.5584 |
| xYAC OEX | 1.0499 | 0.5590 | ▼ -0.4916 |
| DEFENSE | |||
| RZ P/V | 5.055 | 3.9100 | ▼ -1.198 |
| 3&Out% | 33.7%71 | 33.3%68 | ▼ -0.4%46 |
| TO Rate | 2.6%87 | 2.5%84 | ▼ -0.1%47 |
| Penalty EPA | -5.995 | 2.368 | ▲ +8.216 |
| Pass EPA | 0.07535 | -0.09695 | ▼ -0.17194 |
| Rush EPA | -0.11676 | -0.04032 | ▲ +0.07615 |
| xRY Allowed | 0.00100 | 0.00100 | 0.0049 |
| RYOE Allowed | 0.0074 | 0.0074 | 0.0051 |
| YAC OEX Allowed | -0.1797 | 0.1985 | ▲ +0.3620 |
| xYAC OEX Allowed | 0.0149 | 0.2312 | ▲ +0.2217 |

Detroit Lions (2021)
Offensive Coordinator
Playbook Fingerprint
↑4th Down Go% +16.6%100↑21 Personnel% +9.3%95↑xFP Conc. +9.6%93
| Before (2020) | First Year (2021) | Delta | |
|---|---|---|---|
| OFFENSE | |||
| Scripted EPA | 0.04063 | -0.12613 | ▼ -0.16611 |
| RZ P/V | 5.373 | 4.510 | ▼ -0.87 |
| 3&Out% | 27.2%73 | 29.9%55 | ▲ +2.7%33 |
| Penalty EPA | -1.813 | 11.679 | ▲ +13.410 |
| Pass EPA | 0.09064 | -0.03426 | ▼ -0.12418 |
| Rush EPA | -0.12522 | -0.07248 | ▲ +0.05372 |
| xRY | 4.4691 | 4.2678 | ▼ -0.2024 |
| RYOE | -0.1119 | -0.0921 | ▲ +0.0251 |
| YAC OEX | 0.0315 | 0.4147 | ▲ +0.3873 |
| xYAC OEX | 0.0051 | 0.0959 | ▲ +0.0959 |

San Francisco 49ers (2022–2023)
Asst. Head Coach/Running Backs
Playbook Fingerprint
↓4th Down Go% -6.9%6↑Screen% +3.6%90↓Play Action% -4.5%18
| Before (2021) | First Year (2022) | Delta | |
|---|---|---|---|
| OFFENSE | |||
| Scripted EPA | 0.01955 | 0.09680 | ▲ +0.07770 |
| RZ P/V | 5.692 | 5.158 | ▼ -0.516 |
| 3&Out% | 28.1%67 | 25.8%81 | ▼ -2.3%64 |
| Penalty EPA | 13.284 | 6.655 | ▼ -6.673 |
| Pass EPA | 0.14178 | 0.15581 | ▲ +0.01454 |
| Rush EPA | -0.00879 | -0.02475 | ▼ -0.01639 |
| xRY | 4.1468 | 4.2980 | ▲ +0.1567 |
| RYOE | -0.0722 | 0.4175 | ▲ +0.4883 |
| YAC OEX | 2.33100 | 1.1696 | ▼ -1.170 |
| xYAC OEX | -0.0447 | 0.3679 | ▲ +0.3979 |

Washington Commanders (2024–2025)
Run Game Coordinator/RB
Playbook Fingerprint
↑No-Huddle% +57.5%100↑First Read% +13.9%99↓Under Center% -30.0%2
| Before (2023) | First Year (2024) | Delta | |
|---|---|---|---|
| OFFENSE | |||
| Scripted EPA | -0.08922 | -0.01145 | ▲ +0.07870 |
| RZ P/V | 5.045 | 5.483 | ▲ +0.478 |
| 3&Out% | 38.1%10 | 25.3%85 | ▼ -12.8%99 |
| Penalty EPA | 3.736 | 13.486 | ▲ +9.716 |
| Pass EPA | -0.07915 | 0.16986 | ▲ +0.24897 |
| Rush EPA | -0.10827 | 0.02088 | ▲ +0.12895 |
| xRY | 3.7728 | 4.0454 | ▲ +0.2777 |
| RYOE | 0.3572 | 0.2363 | ▼ -0.1230 |
| YAC OEX | 0.4852 | 0.7878 | ▲ +0.3068 |
| xYAC OEX | -0.1441 | -0.4316 | ▼ -0.2930 |
Coaching Signature
High Offensive EfficiencyStrong Passing GameLow Play ActionHeavy ShotgunWR-Light TargetsRB-Heavy TargetsAggressive on 4th DownUndisciplined 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.

Los Angeles Chargers (2017–2020)
Head Coach
Personal-best FP/G seasons set under this coach (must clear pre-coach peak).
| TE | Hunter Henry | 10.22019 FP/G · 12.0 gp | 7.5Prev Best | +37.2% |
| RB | Melvin Gordon | 21.32018 FP/G · 11.8 gp | 18.8Prev Best | +13.5% |
| QB | Philip Rivers | 18.12018 FP/G · 15.8 gp | 16.2Prev Best | +11.8% |

Detroit Lions (2021)
Offensive Coordinator
Personal-best FP/G seasons set under this coach (must clear pre-coach peak).
| RB | D'Andre Swift | 14.22021 FP/G · 12.5 gp | 13.6Prev Best | +4.5% |

San Francisco 49ers (2022–2023)
Asst. Head Coach/Running Backs
Personal-best FP/G seasons set under this coach (must clear pre-coach peak).
| WR | Brandon Aiyuk | 13.92023 FP/G · 15.3 gp | 12.9Prev Best | +7.8% |
| QB | Jimmy Garoppolo | 16.12022 FP/G · 10.3 gp | 15.7Prev Best | +2.4% |

Washington Commanders (2024–2025)
Run Game Coordinator/RB
Personal-best FP/G seasons set under this coach (must clear pre-coach peak).
| WR | Terry McLaurin | 13.52024 FP/G · 16.8 gp | 12.0Prev Best | +12.6% |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | Coord. | WAS | 54.4% | 0.048 | 47.6% | -0.020 | -0.20 | 0.23 | 35.1% | -0.001 | 43.2% | -0.002 | 3.94 | 0.79 | 10.5% | 0.083 |
| 2024 | Coord. | WAS | 55.9% | 0.169 | 49.1% | 0.013 | -0.43 | 0.78 | 30.9% | 0.020 | 46.0% | 0.015 | 4.04 | 0.23 | 13.2% | 0.458 |
| 2021 | OC | DET | 60.2% | -0.034 | 44.9% | 0.004 | 0.09 | 0.41 | 38.1% | -0.072 | 37.6% | 0.001 | 4.26 | -0.09 | 1.8% | -0.537 |
| 2020 | HC | LAC | 60.1% | 0.119 | 47.3% | 0.015 | 0.25 | 0.42 | 35.3% | -0.125 | 36.9% | 0.000 | 4.13 | -0.03 | 4.6% | 0.009 |
| 2019 | HC | LAC | 63.9% | 0.117 | 49.9% | 0.021 | 0.07 | 0.73 | 34.6% | -0.055 | 41.3% | 0.015 | 4.05 | -0.09 | 1.4% | -0.700 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | Coord. | WAS | 80.5% | 25.9% | 16.3% | 17.1% | 50.7% | 60.5% | 42.1% | 9.1% | 63.0% | 12.9% | 24.1% | 58.9% | 23.1% | 5.4% | 2.1% | 51.4% |
| 2024 | Coord. | WAS | 88.4% | 11.6% | 15.3% | 16.1% | 44.4% | 67.6% | 41.0% | 12.3% | 62.4% | 15.6% | 21.9% | 61.0% | 25.0% | 5.7% | 6.1% | 50.5% |
| 2021 | OC | DET | 31.4% | 68.9% | 3.5% | 12.5% | — | — | 53.3% | 10.0% | 55.3% | 23.8% | 20.1% | 58.1% | 11.3% | 0.7% | 9.5% | 59.2% |
| 2020 | HC | LAC | 49.7% | 50.7% | 3.5% | 20.5% | — | — | 49.6% | 9.0% | 53.3% | 25.6% | 21.2% | 70.1% | 11.4% | 2.5% | 8.9% | 58.0% |
| 2019 | HC | LAC | 42.9% | 58.6% | 5.9% | 14.6% | — | — | 53.1% | 5.9% | 51.1% | 31.5% | 17.2% | 70.3% | 6.7% | 0.6% | 14.6% | 64.0% |
Tendencies
| Year | Role | Team | Plays/G | No-Huddle% | Plays/G OEX | Low PC% | Avg SFP | Called Pass% | Called Pass OEX | 4th Go% | 2pt% | Blowout CP% | Blownout CP% |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | Coord. | WAS | 57.2 | 61.7% | 0.1 | 36.2% | 30.3 | 58.0% | -4.3% | 20.9% | 13.3% | 29.4% | 61.7% |
| 2024 | Coord. | WAS | 63.8 | 62.4% | 1.1 | 32.1% | 31.8 | 59.8% | -0.2% | 22.1% | 7.3% | 48.5% | 76.9% |
| 2021 | OC | DET | 61.8 | 6.2% | -0.3 | 27.9% | 28.9 | 60.9% | -5.3% | 25.7% | 4.2% | — | 84.8% |
| 2020 | HC | LAC | 69.5 | 6.4% | 1.0 | 17.8% | 26.9 | 61.5% | -1.7% | 15.0% | 12.5% | 39.5% | 82.4% |
| 2019 | HC | LAC | 61.6 | 7.2% | -0.3 | 41.6% | 26.3 | 64.3% | -0.8% | 17.4% | 3.4% | 28.8% | 93.8% |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2025 | Run Game Coordinator/RB | WAS | QB Pass | 17 | 199.9 | 183.2 | 11.8 | 10.8 | -8.4% | — | — | 3.9 | 3.5 | -11.0% | — | — |
| 2025 | Run Game Coordinator/RB | WAS | QB Rush | 17 | 99.6 | 80.2 | 5.9 | 4.7 | -19.5% | 10.7% | 8.6% | 2.0 | 1.7 | -13.2% | 13.4% | 11.2% |
| 2025 | Run Game Coordinator/RB | WAS | RB Rush | 17 | 232.7 | 242.9 | 13.7 | 14.3 | +4.4% | 24.9% | 26.1% | 6.0 | 6.2 | +3.0% | 40.6% | 40.4% |
| 2025 | Run Game Coordinator/RB | WAS | RB Rec | 17 | 58.3 | 54.2 | 3.4 | 3.2 | -7.1% | 6.2% | 5.8% | 0.4 | 0.2 | -50.0% | 2.5% | 1.2% |
| 2025 | Run Game Coordinator/RB | WAS | WR/TE Rec | 17 | 527.3 | 538.2 | 31.0 | 31.7 | +2.1% | 56.5% | 57.8% | 6.1 | 6.8 | +11.6% | 41.1% | 44.3% |
| 2025 | Run Game Coordinator/RB | WAS | WR/TE Rush | 10 | 15.6 | 15.1 | 1.6 | 1.5 | -3.2% | 1.7% | 1.6% | 0.6 | 0.8 | +27.4% | 2.4% | 2.9% |
