ARLINGTON, Texas – Led by Ryder Helfrick’s two-homer game, No. 7 Arkansas (1-0) swatted four home runs and blasted its way past Big 12 opponent Oklahoma State (0-1) in a 12-2 Opening Day run-rule win in front of an announced crowd of 18,387 fans Friday night at Globe Life Field in the Shriners Children’s College Showdown.