Pappas had three runner-up finishes on the Nationwide Tour before he broke through at this event last year. He fired four rounds in the 60s to edge Charlie Wi by one shot.
No player has ever succesfully defended his title in Nationwide Tour history.
This is the 14th year for this tournament and its seventh straight at the TPC Wakefield Plantation.
Next for the Nationwide Tour is the Showdown at Somerby.