In a largely dour game played out amid pouring rain, Martial provided a moment of real quality when he smashed home the only goal off the crossbar.
Romelu Lukaku, who had an otherwise quiet game, provided an excellent pass to set up Martial, whose near post effort beat Nick Pope convincingly.
More to follow.
Anthony Martial cracked a shot in off the Burnley crossbar to give Manchester United the lead after 55 minutesIn a game that had been largely lacking in quality, Martial gave Nick Pope the eyes and beat the keeper at his near postMartial celebrates his brilliantly taken strike as United aim to try and keep pace in the Premier League title raceFor the first 55 minutes Romelu Lukaku had a quiet game, however his perfect pass provided the assist for MartialManchester United midfielder Paul Pogba is felled by Burnley's Scott Arfield during a goalless first half at Turf MoorAshley Young reacts after curling an effort just wide of the Burnley goal - United's best chance of a disappointing first halfJuan Mata - fighting for his United future with Alexis Sanchez incoming - flicks the ball under pressure from Charlie TaylorMartial, another with his place in doubt if Sanchez arrives, has a shot blocked by James TarkowskiJeff Hendrick has a shot for Burnley, who were mostly comfortable in the opening stages against their high-flying opponentsUnited centre back Chris Smalling beats Arfield to the ball in the early stages as United looked to keep tabs on leaders CityPhil Jones of Manchester United in action with Ashley Barnes of Burnley during a combative game lacking in qualityBoth teams paused to silently remember Cyrille Regis, the former striker who died this week aged 59, before kick-offThe Manchester United bench, with manager Jose Mourinho second left, watch the game in the Lancashire rainMourinho and Pogba have a discussion by the touchline late in the first half as United struggled to impressPogba reacts after being booked by referee Mike Dean during the second half, however United were able to hold onBurnley manager Sean Dyche gestures as his side frustrated their visitors during the opening 45 minutes on Saturday