Ryan Seager put the hosts ahead with his first goal for the club but Leroy Fer headed in Jay Fulton's cross to equalise two minutes later.

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Another Fer header made it 2-1 on the hour before Tammy Abraham netted his first Swansea goal from close range.

With four minutes of normal time left, Jordan Ayew scored with a tremendous 20-yard effort to wrap up the win.

There was bad news for Swansea however, as defender Kyle Bartley was taken off on a stretcher after an awkward landing late in the game.