Isaiah Cousins scored 20 points to help No. 19 Oklahoma rebound from its first loss of the season by beating Northwestern State 90-68 on Sunday.

Oklahoma (2-1) came out flat against Northwestern State (2-2) before seizing control of the game during the final 10 minutes of the first half, extending a one-point lead to a 50-30 advantage by halftime.

Four other players scored in double figures for the Sooners, who will head to the Bahamas later this week to play in the Battle 4 Atlantis tournament. Oklahoma lost by two to Creighton on Wednesday, 65-63.

Cousins had 15 points, including 3 3-pointers in the first half against the Demons, and matched his career high for made 3-pointers by hitting 4 of 5.

Zeek Woodley led Northwestern State with 26 points.