No. 14 Iowa State looks to bounce back against winless UNLV

Iowa State running back Jirehl Brock (21) runs for a first down as he gets tripped up by Iowa defensive back Jack Koerner (28) during the first half of an NCAA college football game, Saturday, Sept. 11, 2021, in Ames, Iowa. (AP Photo/Matthew Putney)

FILE- In this Saturday, Sept. 11, 2021, file photo, Iowa State's Brock Purdy plays against Iowa during an NCAA football game in Ames, Iowa. Fourth-year Iowa State starter Brock Purdy found himself benched in the fourth quarter of the biggest home game in program history, though coach Matt Campbell has since reiterated his “great trust” in his veteran quarterback. (AP Photo/Justin Hayworth, File)

UNLV quarterback Doug Brumfield (2) looks to throw against Arizona State during the first half of an NCAA college football game, Saturday, Sept. 11, 2021, in Tempe, Ariz. (AP Photo/Matt York)