Apr. 2—Oklahoma leaned on its defense and drew 13 walks to pull away from Wichita State late to snap a three-game losing streak. The Sooners put two runs on the board in the second inning to take an early lead. Jackson Nicklaus was walked to leadoff the inning and Kendall Pettis was hit by a pitch before advancing to second on a passed ball. That was just the beginning of the Shockers’ pitching…