Oklahoma State guard Marcus Smart, right, reaches for the ball over South Florida's Anthony Collins in the first half of an NCAA college basketball game in Stillwater, Okla., Wednesday, Dec. 5, 2012. (AP Photo/Sue Ogrocki)

FILE - Oklahoma State guard Le'Bryan Nash shoots as South Florida forward Kore White defends in the first half of an NCAA college basketball game in Stillwater, Okla., in this Dec. 5, 2012 file photo. Now that Oklahoma State is back in the Top 25 for the first time in five years, the 24th-ranked Cowboys want to show they really belong. For top scorer Le'Bryan Nash, that means playing the very best no matter who happens to be the opponent. (AP Photo/Sue Ogrocki, File)

South Florida's Anthony Collins, bottom, grimaces after a foul by Oklahoma State forward Kamari Murphy, top, in the first half of an NCAA college basketball game in Stillwater, Okla., Wednesday, Dec. 5, 2012. (AP Photo/Sue Ogrocki)

Oklahoma State forward Philip Jurick (44) grabs a rebound in front of South Florida center Jordan Omogbehin (35) in the second half of an NCAA college basketball game in Stillwater, Okla., Wednesday, Dec. 5, 2012. (AP Photo/Sue Ogrocki)

Oklahoma State guard Marcus Smart (33) shoots over South Florida guard Jawanza Poland (5) in the first half of an NCAA college basketball game in Stillwater, Okla., Wednesday, Dec. 5, 2012. Oklahoma State won 61-49. (AP Photo/Sue Ogrocki)

South Florida's Anthony Collins, right, loses control of the ball in front of Oklahoma State forward Philip Jurick (44) and guard Markel Brown (22) in the second half of an NCAA college basketball game in Stillwater, Okla., Wednesday, Dec. 5, 2012. Oklahoma State won 61-49. (AP Photo/Sue Ogrocki)

Oklahoma State guard Markel Brown (22) shoots over South Florida guard Jawanza Poland (5) in the second half of an NCAA college basketball game in Stillwater, Okla., Wednesday, Dec. 5, 2012. Oklahoma State won 61-49. (AP Photo/Sue Ogrocki)

Oklahoma State head coach Travis Ford gestures during the first half of an NCAA college basketball game against South Florida in Stillwater, Okla., Wednesday, Dec. 5, 2012. Oklahoma State won 61-49. (AP Photo/Sue Ogrocki)

South Florida Anthony Collins (11) knocks the ball away from Oklahoma State guard Markel Brown (22) in the second half of an NCAA college basketball game in Stillwater, Okla., Wednesday, Dec. 5, 2012. Oklahoma State won 61-49. (AP Photo/Sue Ogrocki)

South Florida head coach Stan Heath gestures during the first half of an NCAA college basketball game against Oklahoma State in Stillwater, Okla., Wednesday, Dec. 5, 2012. Oklahoma State won 61-49. (AP Photo/Sue Ogrocki)