KANSAS CITY, Missouri - The Oklahoma Sooners fell behind early in the first half, but managed a big second half comeback Thursday to top the Missouri Tigers 70-59 in the quarterfinals of the Big 12 tournament.

Missouri jumped out to a 13-2 run in the opening five minutes of the first half, including a pair of three-pointers from Morgan Eye to put the Sooners in a big hole early and went into halftime with a commanding 33-23 advantage.

BreAnna Brock opened up the second half with a layup to make it a 12-point advantage but the Sooners came roaring back.

Oklahoma snapped off 15 consecutive points, capped by six straight Sharane Campbell, to take a 38-35 lead less than eight minutes into the second half. Christine Flores converted on a pair of free throws to stop the bleeding, but Oklahoma scored another four consecutive to push its lead to 42-37 with less than nine minutes to play.

Six minutes later leading 58-51, the Sooners put together yet another run, a quick 7-2 scoring flurry to take a 65-53 lead with less than one minute to play, putting the game out of reach.

Campbell led the charge for the Sooners, scoring a game-high 22 points, while Kaylon Williams contributed a double-double with 12 points and 10 rebounds.

Christine Flores set the pace for Missouri, finishing with 18 points and six rebounds, while Liene Priede contributed 15 points in the loss.

The Sooners will now head to the semifinals of the Big 12 tournament, to take on the winner of Texas A&M and Kansas at 2:30 Friday.