Cousins hits 4 3-pointers in No. 19 Oklahoma's 90-68 victory over Northwestern State

Oklahoma guard Jordan Woodard, left, and Northwestern State guard Jalan West, right, reach for the ball in the first half of an NCAA college basketball game in Norman, Okla., Sunday, Nov. 23, 2014. (AP Photo/Sue Ogrocki) (The Associated Press)

Northwestern State guard Zeek Woodley (23) is fouled by Oklahoma guard Frank Booker (1) while shooting in the first half of an NCAA college basketball game in Norman, Okla., Sunday, Nov. 23, 2014. (AP Photo/Sue Ogrocki) (The Associated Press)

NORMAN, Okla. – 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.