Ryan Taylor's late double helped Portsmouth fight back from 2-0 down to claim a dramatic 3-2 win over struggling Tranmere at Fratton Park.Taylor scored twice in the space of three minutes to help Andy Awford's in-form side claim their third win in a row and extend their unbeaten run to six matches.Tranmere looked to be heading for victory courtesy of strikes from Jennison Myrie-Williams and a Paul Jones own goal.Substitute Craig Westcarr headed in a Matt Tubbs cross 14 minutes from time to set up a frantic finale.Taylor equalised from close range six minutes later before pouncing to nod in Dan Butler's corner with five minutes left.Myrie-Williams had given Tranmere a 28th-minute lead with neat left-foot shot from the edge of the penalty area.The visitors looked home and dry when Joe Devera's attempted clearance from under his own crossbar struck goalkeeper Jones on the back and rebounded into the net.