2021 Preseason All-Big 12 football team: Oklahoma QB Spencer Rattler, Iowa State RB Breece Hall lead the way | CBS Sports Headlines 2021 Preseason All-Big 12 football team: Oklahoma QB Spencer Rattler, Iowa State RB Breece Hall lead the way The Big 12 released its preseason all-conference team on Wednesday … Continue reading 2021 Preseason All-Big 12 football team: Oklahoma QB Spencer Rattler, Iowa State RB Breece Hall lead the way