Article Photos: OSU football notebook: Justin Blackmon to undergo concussion tests

Oklahoma State wide receiver Josh Cooper is upended by Missouri linebacker Andrew Wilson (48) during the first half of an NCAA college football game Saturday, Oct. 22, 2011, in Columbia, Mo. (AP Photo/Jeff Roberson)

Oklahoma State wide receiver Josh Cooper is upended by Missouri linebacker Andrew Wilson (48) during the first half of an NCAA college football game Saturday, Oct. 22, 2011, in Columbia, Mo. (AP Photo/Jeff Roberson)