Kansas center Jeff Withey (5) fouls Oklahoma State guard/forward Le'Bryan Nash (2) during the first half of an NCAA college basketball game in Lawrence, Kan., Saturday, Feb. 11, 2012. (AP Photo/Orlin Wagner)

Kansas coach Bill Self, left, talks with forward Thomas Robinson (0) during the first half of an NCAA college basketball game against Oklahoma State in Lawrence, Kan., Saturday, Feb. 11, 2012. (AP Photo/Orlin Wagner)

Oklahoma State coach Travis Ford yells to his team during the first half of an NCAA college basketball game against Kansas in Lawrence, Kan., Saturday, Feb. 11, 2012. (AP Photo/Orlin Wagner)

Kansas forward Thomas Robinson (0) and center Jeff Withey (5) celebrate as a time out is called during the first half of an NCAA college basketball game against Oklahoma State in Lawrence, Kan., Saturday, Feb. 11, 2012. (AP Photo/Orlin Wagner)

Kansas center Jeff Withey (5) rebounds over Oklahoma State guard Keiton Page (12) and passes to guard Tyshawn Taylor (10) during the first half of an NCAA college basketball game in Lawrence, Kan., Saturday, Feb. 11, 2012. (AP Photo/Orlin Wagner)

Kansas guard Tyshawn Taylor (10) drives past Oklahoma State forward Michael Cobbins (20) for a basket during the first half of an NCAA college basketball game in Lawrence, Kan., Saturday, Feb. 11, 2012. (AP Photo/Orlin Wagner)

Kansas center Jeff Withey (5) blocks a shot by Oklahoma State forward Michael Cobbins (20) during the second half of an NCAA college basketball game in Lawrence, Kan., Saturday, Feb. 11, 2012. Withey blocked seven shots and scored 18 points in the game. Kansas defeated Oklahoma State 81-66. (AP Photo/Orlin Wagner)

Kansas guard Tyshawn Taylor (10) celebrates a basket during the second half of an NCAA college basketball game against Oklahoma State in Lawrence, Kan., Saturday, Feb. 11, 2012. Kansas defeated Oklahoma State 81-66. (AP Photo/Orlin Wagner)

Kansas forward Thomas Robinson (0) shoots a three-point basket during the second half of an NCAA college basketball game against Oklahoma State in Lawrence, Kan., Saturday, Feb. 11, 2012. Robinson scored 24 points in the game. Kansas defeated Oklahoma State 81-66. (AP Photo/Orlin Wagner)

Oklahoma State guard Markel Brown (22) dunks while covered by Kansas forward Thomas Robinson (0) during the second half of an NCAA college basketball game in Lawrence, Kan., Saturday, Feb. 11, 2012. Brown scored 21 points in the game. Kansas defeated Oklahoma State 81-66. (AP Photo/Orlin Wagner)

Kansas forward Thomas Robinson (0) makes a basket while covered by Oklahoma State guard/forward Le'Bryan Nash, right, during the first half of an NCAA college basketball game in Lawrence, Kan., Saturday, Feb. 11, 2012. Robinson scored 24 points in the game. Kansas defeated Oklahoma State 81-66. (AP Photo/Orlin Wagner)