College football's Week 9 slate on Saturday, Oct. 31, produced a run of upsets.
Biggest results
According to the NCAA and CBS Sports, USC upset No. 2 Ohio State 30-18, while No. 1 Miami survived North Carolina 38-35. Other ranked teams lost as well: Iowa beat No. 25 Wisconsin 30-0, Oregon beat No. 20 Northwestern 34-26, Syracuse beat No. 19 SMU 30-27, and Iowa State beat No. 24 Oklahoma State 51-49.
Colorado's walk-off
In the Big 12, Colorado beat Kansas State 27-24 in overtime when Isaac Wilson threw an 11-yard touchdown pass to Charlie Williams on the final play, the Associated Press reported. The win ended a losing streak against Kansas State. The game came days after Colorado backup quarterback Julian Lewis was taken to a hospital following a medical emergency at the athletic facility; the AP reported he was recovering, and no further details were released.
The polls
After the weekend, Miami stayed No. 1 in the AP Top 25, Ohio State fell nine spots to No. 11 and USC entered at No. 18, according to Yahoo Sports' AP poll listing.
Sources: the NCAA, CBS Sports, AP, ESPN, Yahoo Sports AP Top 25