Romelu Lukaku of Manchester United celebrates scoring his side's second goal
Paul Pogba of Manchester United scores their third goal with a majestic finish
Anthony Martial celebrates after coming off the bench to score United's fourth
Swansea 0-4 Manchester United, Premier League LATEST: Red Devils hit four again as Romelu Lukaku and Paul Pogba help sink Paul Clement's side
Eric Bailly scored his first Manchester United goal on stroke of half-time
Romelu Lukaku doubled the lead with 11 minutes to play at the Liberty Stadium 
Paul Pogba and Anthony Martial struck inside last 10 minutes for Red Devils
Swansea City starting XI: Fabianski, Naughton, Fernandez, Mawson, Olsson, Fer, Bartley (Routledge), Carroll, Roque (Narsingh), Ayew, Abraham (McBurnie)
Manchester United starting XI: De Gea, Valencia, Bailly, Jones, Blind, Matic, Pogba, Mata (Fellaini), Mkhitaryan (Herrera), Rashford (Martial), Lukaku  goalSwansea City's Federico Fernandez battles for the ball with Manchester United's Romelu LukakuManchester United's Paul Pogba (left) shakes hands with team-mate Daley Blind
Swansea City's Lukasz Fabianski collides with Manchester United's Paul Pogba after trying to claim a cross
Paul Pogba was unmarked to head against the crossbar at the very end of the half
Manchester United's Eric Bailly's chases in to help the ball over the line on the cusp of half-time
Bailly celebrates scoring his first Manchester United goal along with Romelu LukakuMartin Olsson of Swansea City attempts an over head kick as Antonio Valencia of Manchester Uited puts pressure on himPhil Jones of Manchester United hits the crossbar with a header in the early stagesSwansea City's Jordan Ayew shoots and hits the bar as Manchester United's Paul Pogba attempts to block