There's a new No. 1 in this week's Big 12 power rankings. And it's based on toughness. Texas Tech certainly has that.

No. 13 Texas Tech and No. 20 Arizona meet Saturday night in a showdown of Big 12 Conference contenders in Tucson, Ariz.

ESPN analyst Jimmy Dykes said he (and UA coach Tommy Lloyd) wondered in the Bahamas if the Wildcats would figure things out ...