Some Big 12 quarterback races still open

Kansas State's Skylar Thompson throws in the Cactus Bowl against UCLA last December. (AP Photo)Some Big 12 coaches have announced their starting quarterbacks. Some don’t need to. But some are keeping it a mystery.

Kansas State, Baylor and Texas Tech open their seasons Saturday, with no determination in quarterback derbies. K-State has veterans Alex Delton and Skylar Thompson competing for the job. Baylor has incumbent Charlie Brewer, but graduate transfer Jalan McClendon is making a push. Texas Tech is expected to start veteran McLane Carter, but coach Kliff Kingsbury hasn’t said so.

“I probably won’t name a starter until Friday night,” Baylor coach Matt Rhule said. The Bears host Abilene…