USC
Big Ten
2021 rating history
Point-in-time, recency-weighted opponent-adjusted efficiency — recomputed each week from strictly-prior games only.
Past prediction accuracy — 2021
| Week | Opponent | Actual | Predicted | Margin error |
|---|---|---|---|---|
| Week 1 | vs San José State | 7–30 | — | — |
| Week 2 | vs Stanford | 42–28 | — | — |
| Week 3 | @ Washington State | 14–45 | — | — |
| Week 4 | vs Oregon State | 45–27 | — | — |
| Week 5 | @ Colorado | 14–37 | — | — |
| Week 6 | vs Utah | 42–26 | — | — |
| Week 8 | @ Notre Dame | 31–16 | — | — |
| Week 9 | vs Arizona | 34–41 | — | — |
| Week 10 | @ Arizona State | 31–16 | — | — |
| Week 12 | vs UCLA | 62–33 | — | — |
| Week 13 | vs BYU | 35–31 | — | — |
| Week 14 | @ California | 24–14 | — | — |