College football, meet Cade Klubnik. Clemson’s true freshman quarterback has authored his first signature moment in leading the No. 5 Tigers to a thrilling, come-from-behind 27-21 win over No. 14 Syracuse on Saturday. Klubnik, a five-star recruit in the 2022 class from Texas, entered the game for starter DJ Uiagalelei in the third quarter and led back-to-back touchdown drives to rally Clemson from a 21-10 deficit, keep the Tigers undefeated and preserve their now-historic home winning streak. Coach Dabo Swinney said in his postgame interview with ABC, though, that Uiagalelei will remain Clemso…