No. 17 Iowa State 77, No. 15 Oklahoma 70: Georges Niang scored 20 of his team-high 23 points in the second half as the Cyclones matched a program record in overcoming a 21-point deficit to stun the visiting Sooners.

Monte Morris added 19 points - 17 in the final 20 minutes - for Iowa State (21-8, 11-6 Big 12), which closed out the contest with a 59-31 run after trailing 39-18 with 19 minutes to play and pulled into a second-place tie with Oklahoma in the conference. The Cyclones, who also received 14 points and a game-high 12 rebounds off the bench from Jameel McKay, shot 58.3 percent from the field, including 6-of-11 3-pointers, in the second half to snap a two-game losing streak.

Buddy Hield had 26 points, including four 3-pointers, to pace Oklahoma (20-9, 11-6), which had won eight of its previous nine games but went 8:49 without a field goal during the middle of the second half. Isaiah Cousins added 12 points, and Jordan Woodard had 10 for the Sooners, who shot 32.1 percent from the floor and were outrebounded 28-16 over the final 20 minutes.

Oklahoma led 37-18 at the break and matched its biggest lead on a Hield bucket a minute into the second half. But immediately following a taunting technical foul on Cousins with 14:55 remaining, the Cyclones scored the ensuing 22 points to turn a 48-28 deficit into a 50-48 lead – their first of the game – and never trailed again.

Oklahoma took command immediately out of the gate, jumping out to a 7-0 lead. Iowa State pulled within 19-14 with 9:17 left in the half, but the Sooners reeled off the next 11 points as part of an 18-4 run to take a 37-18 lead into the break and marking the Cyclones’ lowest-scoring opening half of the season.

GAME NOTEBOOK: Iowa State has won 15 of its last 18 home games against nationally ranked opponents. … The two teams, who combined for 24 3-pointers and only 13 free throws the first game Feb. 9, had a combined 13 and 32, respectively, Monday. … After holding the Cyclones two points shy of their 79.1 average, the Sooners have held 23 of their 29 opponents below their season scoring average.