PROVO, Utah -- Shaylee Gonzales scored 17 points and Paisley Johnson made two free throws with 1:02 left for what proved to be the winning points in BYU's 70-68 win over No. 13 Gonzaga on Thursday night, ending the Bulldogs' 12-game win streak.

The victory left BYU (15-4, 7-0) alone in first atop the West Coast Conference after its ninth straight win.

BYU overcame a 12-point second-quarter deficit, tying the game at 34-all at halftime. The Cougars exchanged the lead with the Bulldogs eight times in the second half, taking their final lead of 65-62 with 4:21 remaining on consecutive baskets by Breanna Chase, who finished with 14 points.

BYU led 69-66 after Johnson's final free throws. Laura Stockton drove for a score to get Gonzaga within a point with 36 seconds left before Gonzales made a free throw. Stockton missed a 3-pointer and LeeAnne Wirth a putback in the final seconds.

Johnson finished with 12 points for BYU and Jasmine Moody grabbed 10 rebounds.

Stockton led Gonzaga (16-2, 5-1) with 15 points and Zykera Rice added 13. The Bulldogs hurt themselves at the free-throw line, making only 17 of 26.