Brock Purdy and George Kittle have their eyes set ... Wearing an Iowa State helmet sure seemed to hurt Kittle — figuratively and literally, as he said Purdy's helmet was small for him.

This article was originally published on www.si.com as George Kittle Pays Up Annual Iowa-Iowa State Bet by Wearing Brock Purdy's Helmet.

Such was the case for San Francisco 49ers tight end George Kittle on Wednesday as he rocked an Iowa State helmet during his post practice media scrum on Wednesday. Avid football fans and 49er ...

San Francisco 49ers tight end George Kittle paid a steep price after his alma mater lost to Iowa State in their annual rivalry game. The former Iowa star donned a Cyclones helmet to pay off a bet ...

George Kittle, Brock Purdy and the ... After losing a friendly wager on the game to Purdy, Kittle had to wear the quarterback's Iowa State helmet to 49ers practice on Wednesday.