No. 12 Oklahoma faces another test in Iowa State

Oklahoma quarterback Caleb Williams is pulled down by Baylor linebacker Bryson Jackson in the second half of a NCAA college football game, Saturday Nov. 13, 2021, in Waco, Texas. (Ernesto Garcia/Waco Tribune-Herald via AP)

Iowa State's Charlie Kolar (88) catches the ball over Texas Tech's Eric Monroe (11) during the second half of an NCAA college football game on Saturday, Nov. 13, 2021, in Lubbock, Texas. (AP Photo/Brad Tollefson)

Iowa State's Brock Purdy (15) drops back to pass the ball during the first half of an NCAA college football game against Texas Tech, Saturday, Nov. 13, 2021, in Lubbock, Texas. (AP Photo/Brad Tollefson)

Iowa State's Breece Hall (28) scores a touchdown during the first half of an NCAA college football game against Texas Tech, Saturday, Nov. 13, 2021, in Lubbock, Texas. (AP Photo/Brad Tollefson)

Iowa State's Breece Hall (28) runs to score a touchdown during the second half of an NCAA college football game against Texas Tech, Saturday, Nov. 13, 2021, in Lubbock, Texas. (AP Photo/Brad Tollefson)

Oklahoma quarterback Spencer Rattler looks to throw down field against Baylor during the second half of an NCAA college football game in Waco, Texas, Saturday, Nov. 13, 2021. (AP Photo/Ray Carlin)