USC vs Washington Prediction: Will USC Cover -7.5?
Backdoor Cover’s model projects USC -10.23 for Washington at USC, 2.7 points off the market’s USC -7.5, and gives USC a 74% win probability.
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What this tells us
My model is more bullish on USC than the market is. I have them winning by 10 points with a 74% win probability, while the market only has them favored by 7.5. Both of us think USC wins, but I'm confident in a bigger margin.
The model's side at the current line. It isn't a bet. I only bet a small share of the model's picks.
About this gap
Games with a gap under 3 points covered 51.4% of the time in the backtest (883 games).
| Model vs market | Cover % | Games |
|---|---|---|
| 0–3 pts (this game) | 51.4% | 883 |
| 3–6 pts | 53.9% | 616 |
| 6–10 pts | 54.6% | 401 |
| 10+ pts | 53.0% | 181 |
Backtest: every game, weeks 2+ of 2023–25.
Weather at kickoff
No significant weather expected.
How the number is built
The model rates every FBS team on efficiency, adjusted for opponent, and refits every week. It predicts a score, which becomes a spread and a total. Backdoor Cover Picks are the few games I bet.
My track record starts with the 2026 season. Picks are posted before kickoff and graded once the game finishes.
Common questions
Who does the model project to win USC vs Washington?
Backdoor Cover’s model projects USC to win, with a 74% win probability.
What is the model’s predicted spread for Washington at USC?
The model projects USC -10.23 and the market has USC -7.5, a gap of 2.7 points.
What side does the model favor against the spread?
USC -7.5, at the current number. Backdoor Cover Picks may still pass on this game.
Recent meetings
How the model is doing. 116–103–1 against the spread (53.0%), 37–26 on totals (58.7%) and 170–50 straight up (77.3%) on every game this season.
Backdoor Cover Picks
Is Washington at USC one of my picks? Subscribers see whether I’m betting it, and if so the side, the line and a recommended unit size.
My track record is on the Track Record page.
Season predictions: Washington and USC.
Published Sep 30, 2026. Numbers refreshed Oct 3, 2026.