Thomas Jefferson added 55 yards rushing for Delaware (4-7, 3-5 Colonial Athletic Association), including a 2-yard third quarter touchdown run which proved to be the game winner. Jefferson's TD plunge capped an eight play, 42-yard drive.
The Phoenix had a final opportunity to win, but their drive stalled on 4th-and-20 after a Christiansen pass to McCray was broken up by Ray Jones.
Delaware forced three Elon turnovers, including interceptions by Anthony Jackoson and Ryan Torzsa.
Christiansen led the Phoenix with 243 yards passing and a touchdown.