TEMPE, Ariz. -- Marie Gulich scored 30 of her career-high 36 points in the second half and No. 12 Oregon State rallied to defeat Arizona State 64-60 on Sunday and secure a first-round bye in the Pac-12 Tournament.

Gulich was 16-of-18 shooting, including all 13 of her shots in the second half as the Beavers (23-6, 14-4) overcame a 10-point halftime deficit with a strong third quarter.

Gulich made seven shots and both her free throws in the third quarter to help OSU take a 45-43 lead. She made six shots and two free throws in the fourth but it was Katie McWilliams who secured the win with two free throws with 13 seconds left.

The Beavers shot 74 percent in the second half and 62 percent for the game. Arizona State shot 32 percent in the second half, 37 percent for the game, but had a 14-4 advantage in offensive rebounds.

Robbi Ryan and Sophie Elenga had 13 points apiece for the Sun Devils (19-11, 10-8), who play Thursday in the opening round of the tournament in Seattle.