Jarrett Guarantano threw a tie-breaking touchdown to Josh Palmer with 9:35 left and No. 16 Tennessee won its seventh straight game with a 31-27 victory at South Carolina on Saturday night. The Vols appeared to have things in hand when they went ahead 21-7 on Eric Gray's 12-yard scoring run on their opening drive of the third quarter. But South Carolina rallied behind first-time starter quarterback Collin Hill with two touchdowns and a field goal the next four series to tie the Southeastern Conference opener for both teams at 24-all in the fourth quarter. That's when Guarantano, the fifth-year senior, struck with back-to-back big plays for the deciding score.Guarantano was heavily pressured when he got the ball to an all-alone Brandon Johnson for 33 yards inside South Carolina territory. The next play, Guarantano threw a picture perfect pass to Palmer for a 32-yard touchdown. South Carolina looked like it had a final chance when it forced a Tennessee punt with 90 seconds left. But the punt touched the Gamecocks' Cam Smith after it hit the ground, Tennessee's Jimmy Holiday recovered and the Vols ran out the clock for the win. Guarantano finished 19 of 31 for 259 yards. He also rushed for Tennessee's first touchdown. - Tennessee/AP College Football