OSU release - CORVALLIS, Ore. – Oregon State rode a wave of momentum from Nash Singleton and Ethan Stiles to a 22-14 victory over no. 15 North Carolina in front of a senior day crowd of 1,287.  The Beavers trailed 11-5 early in the dual before the duo of Stiles and Singleton tied it at 11 with back-to-back upset victories over ranked opponents at 141 and 149.  Trey Munoz opened his senior day meet in style with a last-second tech fall. The senior chased down UNC's Robert Platt throughout the bout and scored a final takedown with a second remaining to win 21-6.  The Tar Heels responded with a win in the HWT bout, leading to a back-and-forth battle between no. 13 Maximo Renteria and no. 11 Spencer Moore at 125.  Renteria took an early 5-1 lead with a first-period takedown and opening the second with a reversal. Two takedowns knotted the bout at 6-6 and sent it to overtime with Renteria finishing just a second short of the riding time point. A takedown for Moore secured three points for UNC.  After another UNC win, Singleton swung momentum back into Oregon State's favor at 141. The homegrown talent took no. 22 Jayden Scott to tiebreakers and ultimately won with an escape in the first that put him up 2-1.  Stiles knotted the dual up at 11 with his fifth consecutive win and fourth ranked one since the end of January. Stiles knocked off no. 5 Lachlan McNeil 5-3.  Kekana Fouret kept the momentum rolling for the orange and black, winning 8-3 over Charlie Darracott. Sean Harman followed by securing the team victory with the Beavs' second tech fall of the day. The senior dominated Nolan O'Boyle 21-6, using the riding time point to lock up five points and a 22-11 lead for OSU.  The Beavers will be back on March 6th when the Pac-12 Championships return to Gill Coliseum.