In May 2013, it was announced that Delve would leave the Rebels at the end of the season, along with head coach Damien Hill and fellow Rebels players James O'Connor, Cooper Vuna, Ged Robinson, Nick Phipps, Nic Henderson, James King, Tim Davidson and Richard Kingi. His last game as a Rebels player was a home game against New Zealand franchise the Highlanders, a match that also turned out to be the last Rebels match for head coach Damien Hill and players James O'Connor, Cooper Vuna, Ged Robinson, Nick Phipps and Nic Henderson. In front of over 12,000 spectators, the Rebels overcame a 24-point half-time deficit to achieve a remarkable 38–37 come-from-behind victory over the Highlanders, ending Delve's tenure as a Rebels player on a winning note.