George Boyd scored on his return from suspension[GETTY]
George Boyd, fresh from his three-match ban for spitting at Man City's Joe Hart, bagged the only goal of the game to earn Hull's 10th league win of the season.
The Tigers travel to Wembley to face Sheffield United in the FA Cup semi-final next weekend, and will surely be lifted after picking up all three points at the KC Stadium.
A switch in formation saw Steve Bruce's side attack Swansea with clear intent, and the Welsh side could not muster a response despite starting both Michu and Wilfried Bony.
The result sees Swansea lingering just above the relegation zone after recording just one win in their last 11 league outings.
Despite reaching 36 points, Hull still have to face Arsenal, Manchester United and Everton, and their Premier League survival is still not guaranteed.
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