Article Photos: Oklahoma football notebook: Tony Jefferson won't divulge NFL Draft grade 3/4

Oklahoma junior defensive back Tony Jefferson answers questions during a press conference for the Cotton Bowl NCAA college football at the Omni Mandalay hotel, Tuesday, Jan. 1, 2013, in Irving, Texas. Oklahoma plays Texas A&M on Jan. 4 in the Cotton Bowl in Arlington, Texas. (AP Photo/Brandon Wade) ORG XMIT: TXBW1267