Commentary

Tennessee's Mitchell cleared to play after blackout scare

Updated: September 6, 2007, 5:19 PM ET
By Ron Higgins | Special to ESPN.com
It was late in the Tennessee-Cal season opener Saturday, and the Vols were desperately trying to keep the Golden Bears out of the end zone.

Tennessee defensive end Xavier Mitchell pursued a ball carrier around the right end, lowered his head as he dove into a crowd and then…

Nothing but black.