No. 7 Upper St. Clair defeated No. 10 Shaler Tuesday night in comeback fashion.
According to the Post-Gazette, the Panthers were down 2-0 late in the second period.
USC's Matt Boyd scored with 31 seconds left in the second period, and then Connor Ackerman scored two goals in the third.
According to the PIHL website, the Panthers play Bethel Park 7 p.m. Wednesday at Bladerunner's in Bethel Park in the PIHL Class AAA Penguins Cup playoffs.