No. 4 Oklahoma State survives No. 13 Liberty 69-60 in NCAA

Liberty's Darius McGhee (2) fouls Oklahoma State guard Rondel Walker (5) as Blake Preston also defends during the first half of a first round NCAA college basketball game Friday, March 19, 2021, at the Indiana Farmers Coliseum in Indianapolis.(AP Photo/Charles Rex Arbogast)

Oklahoma State guard Cade Cunningham (2) shoots over Liberty's Shiloh Robinson during the second half of a first round NCAA college basketball tournament game Friday, March 19, 2021, at the Indiana Farmers Coliseum in Indianapolis.Oklahoma State won 69-60. (AP Photo/Charles Rex Arbogast)

Liberty's Drake Dobbs (0) drives between Oklahoma State guard Rondel Walker (5) and Isaac Likekele, right, during the second half of a first round NCAA college basketball game Friday, March 19, 2021, at the Indiana Farmers Coliseum in Indianapolis.Oklahoma State won 69-60. (AP Photo/Charles Rex Arbogast)

Liberty's Drake Dobbs shoots past Oklahoma State guard Isaac Likekele (13) during the second half of a first round NCAA college basketball game Friday, March 19, 2021, at the Indiana Farmers Coliseum in Indianapolis.Oklahoma State won 69-60. (AP Photo/Charles Rex Arbogast)

Oklahoma State forward Matthew-Alexander Moncrieffe, left, and Rondel Walker (5) pressure Liberty's Blake Preston (32) during the second half of a first round NCAA college basketball tournament game Friday, March 19, 2021, at the Indiana Farmers Coliseum in Indianapolis.Oklahoma State won 69-60. (AP Photo/Charles Rex Arbogast)

Oklahoma State forward Matthew-Alexander Moncrieffe (12) passes under pressure by Liberty's Elijah Cuffee, center, during the first half of a first round NCAA college basketball game Friday, March 19, 2021, at the Indiana Farmers Coliseum in Indianapolis.(AP Photo/Charles Rex Arbogast)

Liberty's Blake Preston, center, pump fakes Oklahoma State guard Avery Anderson III in to the air as Kalib Boone also defends during the first half of a first round NCAA college basketball game Friday, March 19, 2021, at the Indiana Farmers Coliseum in Indianapolis.(AP Photo/Charles Rex Arbogast)

Oklahoma State guard Isaac Likekele (13) passes under pressure from Liberty's Darius McGhee (2) as Chris Parker watches during the first half of a first round NCAA college basketball game Friday, March 19, 2021, at the Indiana Farmers Coliseum in Indianapolis.(AP Photo/Charles Rex Arbogast)

Oklahoma State forward Matthew-Alexander Moncrieffe (12) blocks the shot of Liberty's Chris Parker during the first half of a first round NCAA college basketball game Friday, March 19, 2021, at the Indiana Farmers Coliseum in Indianapolis. (AP Photo/Charles Rex Arbogast)

Liberty's Kyle Rode (22) strips the ball from Oklahoma State guard Avery Anderson III, center as Chris Harris Jr. also defends during the first half of a first round NCAA college basketball game Friday, March 19, 2021, at the Indiana Farmers Coliseum in Indianapolis.(AP Photo/Charles Rex Arbogast)