Big 12 football schedule has some very big games on it. Here are 12 of the biggest, including Arizona State vs Iowa State, BYU vs Colorado.

The Big 12 released its 2025 football schedule Tuesday, setting the stage for another season of back-and-forth battles in a conference that delivered thrills on a weekly basis in 2024. When Big 12 commissioner Brett Yormark banged the podium to proclaim his conference the most competitive in the country at media days last July,