It took a while for OU softball to figure out Cleveland State at the plate, but it didn’t matter with the way Nicole May was throwing. The third time around, and the Sooners found their groove. And May never let up as OU fought its way to the 9-0 six-inning, run-rule victory against the Vikings in the Norman Regional on Friday night at Love’s Field. The victory puts OU in the winners’ bracket of the double-elimination weekend. The Sooners will play Oregon 2 p.m. Saturday. It was just 1-0 with two outs in the bottom of the fourth. And then the OU bats came to life and started to show that clutc…