College football · NFLTuesday, October 13, 2026
The Upset Report
2025 · Week 15 · Saturday, December 6, 2025 · Neutral site

No. 2 Indiana upsets No. 1 Ohio State, 13–10

Indiana closed as a 5.5-point underdog and won outright. No. 2 beat No. 1 in the AP poll.

Final13–10
Upset size6
Rank in 2025109th of 184
5.5-point underdogNo. 2 beat No. 1

It was the 2nd-biggest of 3 upsets in 2025 Week 15, and the 109th-biggest of the 2025 season. Indiana pulled off 2 other upsets in 2025.

Other upsets in 2025 Week 15

  1. 3.5-point underdogUnranked beat No. 16Recap
    Upset size8.5
  2. No. 21 beat No. 20Recap
    Upset size3

Indiana’s other 2025 upsets

  1. Week 77.5-point underdogNo. 7 beat No. 3Recap
    Upset size9.5
  2. Week 4No. 19 beat No. 9Recap
    Upset size5

More: Indiana upsets · Ohio State upsets · all Week 15 upsets · the 2025 season · how upset size works