FILE - In this Saturday, Oct. 13, 2018, file photo, Kansas State running back Alex Barnes (34) catches a Skylar Thompson pass while covered by Oklahoma State linebacker Calvin Bundage, back, during the second half of an NCAA college football game in Manhattan, Kan. This season, four Big 12 backs are averaging at least 100 yards rushing per game in conference action.(AP Photo/Orlin Wagner, File)

FILE - In this Saturday, Sept. 15, 2018 file photo, Kansas running back Pooka Williams Jr. (1) runs the ball for a touchdown during the second half of an NCAA college football game against Rutgers in Lawrence, Kan. This season, four Big 12 backs are averaging at least 100 yards rushing per game in conference action. A fifth, Kansas’ Pooka Williams, is averaging 100 yards rushing for the season and ranks in the top 25 nationally in yards rushing per game. (AP Photo/Charlie Riedel, File)

FILE - In this Saturday, Oct. 20, 2018, file photo, Oklahoma running back Kennedy Brooks (26) battles past TCU linebacker Garret Wallow (30) to score a touchdown during the first half of an NCAA college football game, in Fort Worth, Texas. This season, four Big 12 backs are averaging at least 100 yards rushing per game in conference action. (AP Photo/Brandon Wade, File)

FILE - In this Saturday, Sept. 22, 2018 file photo, Iowa State running back David Montgomery runs up field during the first half of an NCAA college football game against Akron, in Ames, Iowa. This season, four Big 12 backs are averaging at least 100 yards rushing per game in conference action. (AP Photo/Charlie Neibergall, File)

FILE - In this Sept. 15, 2018, file photo, Oklahoma State running back Justice Hill (5) runs past Boise State defensive end Durrant Miles, center, and teammate Marcus Keyes (75) and into the endzone with a touchdown in the first half of an NCAA college football game, in Stillwater, Okla. This season, four Big 12 backs are averaging at least 100 yards rushing per game in conference action. (AP Photo/Sue Ogrocki, File)