STILLWATER — The Oklahoma State wrestling team set the stage — literally — thinking upset over four-time defending national champion Penn State. After the fifth-ranked Nittany Lions picked up pins in two of the first four matches, the seventh-ranked Cowboys rallied with wins in four of the final six matches to pull off a 21-18 victory. Fifth-ranked Austin Marsden sealed the outcome with a 4-3 win over Jon Gingrich at 285 pounds. The action took place with the mat elevated on a stage, providing a unique atmosphere much like the NCAA championship finals, in front of 6,491 fans at Gallagher-Iba...