Liberty's Brock Smith hit Dominic Bolden for a 42-yard score and Jennings scored from 6 yards out in the first, but Miley's 25-yard touchdown pass to Patrick McKoy cut the Flames' lead to 14-7 at the end of the quarter.
Miley's 1-yard touchdown run was the only score of the second quarter, tying the game at halftime.
Smith and Bolden hooked up on a 58-yard score and Jennings scored for 2 yards out in the third, but the Blue Hose matched the Flames with Miley's 43-yard touchdown pass to Brandon Clark and S.J. Worrell's 1-yard run that tied the game at 28-28 going into the final quarter.
Both teams struggled to score in the fourth, until Cam Miller's 28-yard field goal halfway through the quarter to lift the Blue Hose toward the victory.