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Las Vegas certainly doesn't think that this game is a very even matchup, having made Oregon a 25.5 point favorite when the betting lines opened.
But the stats put up through four games by the Oregon Ducks and Arizona Wildcats are surprisingly similar. While Oregon has definitely faced the toughest opponent of the two teams so far (Michigan State), the rest of the schedule is very similar, so these numbers aren't too out of control.
Here's a look at the per game numbers for the two teams:
| Category | Arizona | Oregon |
| Total offense | 593.8 | 555.3 |
| Rushing offense | 228 | 225.3 |
| Passing offense | 365.8 | 330 |
| Scoring offense | 42 | 48.5 |
| Total defense | 430.5 | 443.5 |
| Rushing defense | 135.3 | 128.3 |
| Passing defense | 295.3 | 315.3 |
| Scoring defense | 27.3 | 21.3 |
| 3rd down conversion % | 40.3% | 56.3% |
| 4th down conversion % | 77.8% | 75% |
| 3rd down % allowed | 36.8% | 43.8% |
| 4th down % allowed | 40% | 40% |
| Red Zone offense | 88.9% | 85.7% |
| Red Zone defense | 91.7% | 76.5% |
| First downs | 116 | 105 |
| First downs allowed | 92 | 97 |
| Penalties/game | 7 | 8 |
| Penalty yards/game | 62 | 63.5 |
| Time of possession | 28:28 | 24:27 |
Take whatever you will from that, but it's undeniable how similar the two teams have performed through four games.
For a more scientific breakdown of the numbers, check out Addicted To Quack's breakdown of the FEI and S+P numbers.