Bright, Powell combine to score 37 points, helping Stanford beat Washington State 78-67

Washington State 's Mike Ladd (2) dribbles past Stanford 's Chasson Randle (5) during the first half of an NCAA college basketball game in Stanford, Calif., Wednesday, Jan. 9, 2013. (AP Photo/Marcio Jose Sanchez) (The Associated Press)

Washington State 's Brock Motum (12) shoots over Stanford 's Josh Huestis during the first half of an NCAA college basketball game in Stanford, Calif., Wednesday, Jan. 9, 2013. (AP Photo/Marcio Jose Sanchez) (The Associated Press)

Aaron Bright scored a season-high 19 points, Dwight Powell added 16 and Stanford earned its first Pac-12 Conference victory, beating Washington State 78-67 Wednesday night.

Chasson Randle added 16 points for the Cardinal (10-6, 1-2 Pac-12), who ended a two-game slide.

Brock Motum matched his season-high with 29 points to lead the Cougars (9-6, 0-2). Mike Ladd added 15 points.

The largest lead for either team was six points until Stanford began pulling away in the final minutes.

D.J. Shelton hit consecutive 3-pointers for Washington State to tie the game at 37 with just under 13 minutes to play.

The lead changed hands six times afterward.

Stanford led 27-23 at halftime after Randle and Bright each hit a 3-pointer in the last five minutes.

This was the fifth game involving the Cougars that neither team scored more than 27 points in the first half.

It was a first for Stanford.