James Castleman is a defensive lineman for Oklahoma State and not a small one at that. The 300-lb. nose tackle from Amarillo has been a stalwart of what has been a pretty decent Cowboys defense ...

However, the Oklahoma State offense, spearheaded by defensive tackle James Castleman, helped secure a winning season for the Cowboys. Castleman scored the first touchdown of the game capping an 11 ...

James Castleman scored early ... Gundy called the bowl preparation the best in his tenure at Oklahoma State, even better than the Cowboys' 2012 Fiesta Bowl win. "Seeing us come together like ...

Oklahoma State got a huge pick up on Tuesday evening when two-time All-State defensive lineman James Castleman of Amarillo, Texas switched his commitment from Texas Tech to... (Photo: Scout.com ...

STILLWATER — In preparation for Oklahoma State’s Pro Day, former Cowboys defensive tackle James Castleman spent time at the Adaptive Training Foundation in Dallas. The foundation was ...

Cowboys defensive tackle James Castleman rumbled into the endzone from one yard out to give Oklahoma State an early 6-0 lead. In the fourth quarter on a key third-down play, Castleman hauled in a ...