Efficiency & Role
EPA = expected points added per play. Compared with every FBS QB who qualifies
Advanced
Computed from every play, garbage time excluded. FBS rank among players with enough volume
| Passing | Value | FBS rank |
|---|---|---|
| Dropbacks | 216 | — |
| Success rate | 51.4% | 17th / 181 |
| Explosive pass rate | 14.1% | 27th / 181 |
| Deep-throw rate | 10.6% | 134th / 181 |
| Sack rate | 7.9% | 147th / 181 |
| Interception rate | 0.5% | — |
| 3rd-down conversion | 42.6% | 38th / 181 |
| Rushing | Value | FBS rank |
|---|---|---|
| Carries | 66 | — |
| Success rate | 65.2% | 3rd / 332 |
| Explosive run rate | 21.2% | 39th / 332 |
| Stuffed at the line | 7.6% | 23rd / 332 |
| First downs | 35 | — |
| Red-zone carries | 17 | — |
| Goal-line carries | 7 | — |
Charting
Where Chiles's plays went: throw and catch spots, air yards and yards after the catch, read from the play-by-play
Where he throws198 throws charted
Run direction65 carries
2025 charting · Michigan State
2025 season. ESPN's play-by-play only has throw and catch spots for part of 2025 (1 of Chiles’s games here), so treat the maps as a sample.
Where he throws28 throws charted
Run direction11 carries
Career
4 seasons at 3 schools since 2014 · box-score totals, snap share estimated from play-by-play
| Season | Team | G | Snaps | Cmp/Att | Pass yds | TD–INT | Y/A | Dropback SR | Car | Rush yds | Y/C | Rush TD | Rush SR |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 so far |  Northwestern#24 · 6-2 | 8 | 97% | 139/202 | 1898 | 13–1 | 9.4 | 51.4% | 86 | 274 | 3.2 | 10 | 65.2% |
| 2025 |  Michigan State#83 · 4-8 | 8 | 60% | 128/203 | 1392 | 10–3 | 6.9 | 41.1% | 81 | 227 | 2.8 | 6 | 58.9% |
| 2024 | Michigan State#90 · 5-7 | 12 | 92% | 192/323 | 2415 | 13–11 | 7.5 | 39.6% | 97 | 225 | 2.3 | 3 | 57.4% |
| 2023 |  Oregon State#20 · 8-5 | 9 | 11% | 24/35 | 309 | 4–0 | 8.8 | 37.5% | 17 | 79 | 4.6 | 3 | 50.0% |
Past seasons are summed from ESPN box scores; success rates and snap shares come from the play-by-play. Aidan Chiles's team rank is that season's final TDC rank. A dash means the stat wasn't recorded.
Game Log
Aidan Chiles's box score, game by game, from ESPN, with a 0–10 game score for each (hover it for how it works). Click a result for the full game
| Passing | Rushing | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Wk | Opponent | Result | Game score | Cmp | Att | Pct | Yds | Y/A | TD | INT | Car | Yds | Y/C | TD | Long |
| 1 |  South Dakota State | W 34–18 | 7.7 | 14 | 24 | 58.3 | 273 | 11.4 | 1 | 0 | 8 | 18 | 2.3 | 1 | 14 |
| 3 |  Colorado | W 41–7 | 7.9 | 17 | 22 | 77.3 | 241 | 11.0 | 3 | 0 | 9 | 2 | 0.2 | 2 | 4 |
| 4 | @ Indiana | L 23–29 | 7.5 | 22 | 29 | 75.9 | 293 | 10.1 | 2 | 0 | 13 | 0 | 0.0 | 1 | 15 |
| 5 |  Penn State | W 34–13 | 5.8 | 10 | 14 | 71.4 | 93 | 6.6 | 0 | 0 | 6 | 21 | 3.5 | 1 | 15 |
| 6 |  Ball State | W 45–14 | 8.5 | 17 | 23 | 73.9 | 272 | 11.8 | 3 | 0 | 8 | 32 | 4.0 | 1 | 18 |
| 7 | @Michigan State | W 24–21 | 6.4 | 18 | 27 | 66.7 | 226 | 8.4 | 0 | 0 | 16 | 25 | 1.6 | 1 | 17 |
| 8 |  Rutgers | W 42–14 | 7.8 | 19 | 25 | 76.0 | 219 | 8.8 | 3 | 1 | 12 | 83 | 6.9 | 2 | 37 |
| 9 | @ Oregon | L 26–34 | 7.7 | 22 | 38 | 57.9 | 281 | 7.4 | 1 | 0 | 14 | 93 | 6.6 | 1 | 24 |
| 2026 · 8 games | 7.4 | 139 | 202 | 68.8 | 1898 | 9.4 | 13 | 1 | 86 | 274 | 3.2 | 10 | 37 | ||
2026 Season Stats
FBS rank among qualifying players
| Passing | 2026 | FBS rank |
|---|---|---|
| Completions | 139 | — |
| Attempts | 202 | — |
| Completion % | 68.8% | 20th / 146 |
| Yards | 1898 | 31st / 276 |
| Yards / att. | 9.4 | 11th / 146 |
| Touchdowns | 13 | 41st / 276 |
| Interceptions | 1 | — |
| Rushing | 2026 | FBS rank |
|---|---|---|
| Carries | 86 | — |
| Yards | 274 | 242nd / 1519 |
| Yards / carry | 3.2 | 274th / 312 |
| Touchdowns | 10 | 12th / 683 |
| Long | 37 | — |
| Fumbles | 2026 | FBS rank |
|---|---|---|
| Fumbles | 5 | — |
| Lost | 0 | — |
| Recovered | 0 | — |
Snaps by Game
Estimated snaps: every offensive play credited to the QB running the offense. Close to a true snap count
| Game | Start | Team plays | Est. snaps | Plays involved | Snap share |
|---|---|---|---|---|---|
| Wk 1 · South Dakota State | ✓ QB | 54 | 54 | 32 | 100% |
| Wk 3 · Colorado | ✓ QB | 73 | 66 | 31 | 90% |
| Wk 4 · Indiana | ✓ QB | 56 | 56 | 42 | 100% |
| Wk 5 · Penn State | ✓ QB | 69 | 69 | 20 | 100% |
| Wk 6 · Ball State | — | 55 | 49 | 32 | 89% |
| Wk 7 · Michigan State | ✓ QB | 71 | 70 | 44 | 99% |
| Wk 8 · Rutgers | ✓ QB | 66 | 66 | 37 | 100% |
| Wk 9 · Oregon | ✓ QB | 74 | 74 | 52 | 100% |
| Season | 7 GS | 518 | 504 | 290 | 97% |
Position Room
6 QBs on the Northwestern roster, ordered by att
| # | Player | Pos | Class | Att | Yds | TD | INT | EPA/play |
|---|---|---|---|---|---|---|---|---|
| 0 | Aidan Chiles | QB | SR | 202 | 1898 | 13 | 1 | +0.51 |
| 4 | Nicco Marchiol | QB | JR | 1 | 0 | 0 | 0 | +0.38 |
| 2 | Ryan Boe | QB | SO | — | — | — | — | +0.38 |
| 9 | Johnny O'Brien | QB | FR | — | — | — | — | — |
| 11 | Aidan Gray | QB | JR | — | — | — | — | — |
| 13 | Gavin Frakes | QB | SR | — | — | — | — | — |
Stats, EPA and usage come from CollegeFootballData.com and refresh daily. FBS ranks only count players with enough volume for the stat to mean something. Qualifying for EPA takes 12+ plays per team game. Northwestern depth chart →