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. The Red Raiders (18-4, 9-2) are enjoying their best Big 12 start in program ...

There will be attention on the Super Bowl this weekend, but there's several significant men's college basketball games on tap ...