By Cody Stavenhagen, For The OklahomanSTILLWATER — Lauren Chamberlain, Oklahoma’s most dangerous hitter, was injured. Kelsey Stevens, the Sooners’ undoubted ace, wasn’t at her best. Runs didn’t come easily against Oklahoma State’s Simone Freeman, but OU got all it needed in the second inning. The Cowgirls staged a late rally, but the No.Read more on NewsOK.com