Texas Tech 31, at No. 15 Nebraska 10: Steven Sheffield passed for a touchdown and ran for another in his first road start, and the Red Raiders (5-2, 2-1) jumped out fast to upset the Cornhuskers (4-2, 1-1). Sheffield, who passed for 490 yards and seven touchdowns in his debut as the starter against Kansas State last week, was nearly perfect early, completing 14 of his first 16 passes against the Cornhuskers.
at No. 16 Oklahoma State 33, Missouri 17: Hubert Anyiam filled in for ineligible All-American Dez Bryant with 10 catches, a career-high 119 yards and the go-ahead touchdown as the Cowboys (5-1, 2-0) beat the Tigers (4-2, 0-2). Zac Robinson threw for 227 yards, and Lucien Antoine added an interception return for a touchdown.
at Colorado 34, No. 17 Kansas 30: Tyler Hansen, who replaced Cody Hawkins -- the coach's son -- in the starting lineup, ran for a touchdown and threw a touchdown pass to lead the Buffaloes (2-4, 1-1) to an upset of the Jayhawks (5-1, 1-1).
at Iowa State 24, Baylor 10: Austen Arnaud threw for 166 yards and scored two touchdowns as the Cyclones (4-3, 1-2) ended an 11-game losing streak in Big 12 play by thumping the Bears (3-3, 0-2).