Article Photos: Oklahoma football: Sooners are getting a work-a-holic in quarterback Cody Thomas

Colleyville Heritage senior quarterback Cody Thomas (12) during the playing of the national anthem before the start of his team's game against Flower Mound at Pennington Field on Friday, September 14, 2012. (Kelley Chinn/Special Contributor)

Colleyville Heritage senior quarterback Cody Thomas (12) during the playing of the national anthem before the start of his team's game against Flower Mound at Pennington Field on Friday, September 14, 2012. (Kelley Chinn/Special Contributor)