Swansea had failed to win in any of their previous seven league matches .
Swansea 's second - half performance , coupled with the obvious tension that affected Wigan , meant the visitors preserved their unbeaten run against Wigan in the Premier League .
Swansea had failed to win in any of their previous seven league matches but their second - half performance , coupled with the obvious tension that affected Wigan , meant the visitors preserved their unbeaten run against Wigan in the Premier League .