Texas Tech head coach Mike Leach is a riddle, wrapped in an enigma, with a strong dose of lysergic acid diethylamide. So, predicting his future behavior is generally a lesson in humility. But after last night’s loss to Oklahoma, it’s time to ask, Does Mike Leach stay or does he go?

This year’s team is as good as it’s going to get at Texas Tech for Leach. Graham Harrell is gone after this season and probable first rounder Michael Crabtree …