Kirk Ferentz says it's a deal-breaker if it's proven some of his Iowa football players made wagers on their own games.

Jirehl Brock and three other Iowa State football players along with three current or former Iowa football players and a student assistant have been charged in connection with the state’s investigation into illegal sports wagering at the two schools.

Spencer Petras threw for three touchdowns and ran for two and No. 5 Iowa took advantage of seven Maryland turnovers in a 51-14 victory.