Oklahoma vs Iowa State Predictions | Free College Football Picks | Big 12 Championship Kyle Kirms shares his pick for the Big 12 Championship game. Cyclones against the Sooners in the much anticipated rematch. Brock Purdy vs Spencer Rattler Can Breece Hall get the Iowa State running game going against the Sooner defense? Instagram - https://www.instagram.com/kylekirms/ Twitter - https://www.twitter.com/kylekirms/ #sportsbetting #collegefootballpicks #big12championship