

Christian Chapman is a Dual-Threat QB for San Diego State. Christian's 2017 season ranks in the 0th percentile nationally by opponent-adjusted EPA per play across 309 plays — a developing rate for the QB.
A genuine rushing threat who stresses defenses horizontally. Extends plays with legs and forces extra gap assignments.
| Wk | Opponent | Result | Opp SP+ | C/ATT | Pass Yds | Pass TD | INT | QBR | Rush Yds | Rush TD | EPA/play |
|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | vsUC Davis | W38-17 | — | 16/21 | 220 | 2 | 1 | 74.7 | -15 | 0 | 0.46 |
| 2 | @Arizona State | W30-20 | 1.0 | 9/18 | 73 | 1 | 0 | 31.1 | 9 | 0 | -0.04 |
| 3 | vsStanford | W20-17 | 15.8 |
Usage = share of team plays (CFBD has no true snap counts).
C/ATT 6/10 · Pass Yds 25 · Pass TD 0 · INT 1
| 21/29 |
| 187 |
| 1 |
| 0 |
| 38.1 |
| -38 |
| 0 |
| 0.05 |
| 4 | @Air Force | W28-24 | -11.0 | 10/16 | 180 | 1 | 0 | 58.9 | -7 | 0 | 0.28 |
| 5 | vsNorthern Illinois | W34-28 | -1.4 | 10/19 | 136 | 2 | 0 | 55.5 | 7 | 0 | 0.30 |
| 6 | @UNLV | W41-10 | -14.5 | 14/23 | 172 | 0 | 0 | 82.4 | 8 | 1 | 0.38 |
| 7 | vsBoise State | L14-31 | 9.1 | 12/27 | 240 | 1 | 0 | 25.1 | 26 | 0 | 0.33 |
| 8 | vsFresno State | L3-27 | -2.7 | 10/20 | 77 | 0 | 0 | 13.0 | -10 | 0 | -0.08 |
| 9 | @Hawai'i | W28-7 | -19.7 | 5/11 | 83 | 1 | 1 | 32.3 | -2 | 0 | -0.10 |
| 10 | @San José State | W52-7 | -20.0 | 4/5 | 77 | 1 | 0 | 98.6 | 12 | 0 | 0.98 |
| 12 | vsNevada | W42-23 | -16.4 | 15/23 | 205 | 1 | 0 | 92.2 | 9 | 0 | 0.69 |
| 13 | vsNew Mexico | W35-10 | -12.4 | 14/21 | 198 | 2 | 1 | 49.6 | -20 | 0 | 0.33 |
| 1 | vsArmy | L35-42 | -5.3 | 6/10 | 25 | 0 | 1 | 5.7 | -10 | 0 | 0.04 |