Article Photos: OSU football notebook: Justin Blackmon to undergo concussion tests 4/62

Missouri quarterback James Franklin struggles for yardage before being knocked out-of-bounds by Oklahoma State cornerback Brodrick Brown, bottom, and safety Daytawion Lowe, top, during the first half of an NCAA college football game, Saturday, Oct. 22, 2011, in Columbia, Mo. (AP Photo/L.G. Patterson)