![](http://3.bp.blogspot.com/-299iK9ME1vY/Vi_LsQyKvwI/AAAAAAAAD1M/Q4GdzvJOI9I/s1600/pervine-vs-tulsa.jpg)
Mayfield, a potential Heisman candidate, left last Saturday’s win over TCU with a head injury and did not return. He passed concussion tests and has practiced every day since Wednesday.
Perine and Mixon have also participated in practice after leaving last week’s game with ankle injuries. (SI)
Are you on Google+? Add +Oklahoma Sooners Blog to your Circle!