In his Gamecock debut, Shortell led the Gamecocks to a 24-22 win at Alabama State, where finished 13-of-23 passing for 216 yards and a pair of touchdowns and posted a 155.41 passing efficiency rating.
Shortell entered the game trailing 6-0 in the second quarter and led JSU to all four scoring drives in the third quarter. He orchestrated scoring drives of 68 and 75 yards to give JSU a 14-9 lead midway through the third quarter.
Shortell then tossed a 45-yard touchdown pass to Telvin Brown to push the Gamecocks lead to 21-9, before setting up a 22-yard field goal to give JSU a 24-9 lead at the end of the third quarter.
Jacksonville State returns to action on Saturday as the Gamecocks host Jacksonville University at 6 p.m.