In doing so, Northampton became the first team in 13 years to lose the first leg of a play-off semi-final by two or more goals and progress to the final. But who was the standout from a sensational team performance? Find out here...
5. Michael Harriman
His best game for the club by a long shot. Ran and ran and ran, defended doggedly and contributed in attack. His outstanding work that forced the mistake for Morton's winner was typical of the team's never-day-tie attitude... 9.5 Photo: Pete Norton
6. Alan McCormack
Absolutely ran the show for the 70 minutes he was on the pitch. Performance dripping with quality and nous, so many clever passes and touches of class. He was the main reason Town were able to play on the front foot... 9.5 Photo: Pete Norton
7. Ryan Watson
Seemed to be everywhere as he provided the energy and tenacity to complement McCormack's control in midfield. Got his foot in to win the ball back countless times and was intelligent and probing with his passing... 9 Photo: Pete Norton
8. Nicky Adams
Picked out one of his best crosses all season for Oliver to nod in the crucial early goal. Had a hand in the second too as his corner caused mayhem. Emptied the tank and his legs were gone by the time he departed late on... 9 Photo: Pete Norton