The Red Devils secured all three points courtesy of a freekick from the Spanish midfielder late in the match.
Old Trafford plays host to the Premier League clash between the Red Devils and the Hornets.
Manchester United face Watford in the Premier League clash on Wednesday. Find out how to follow the match.
The Hornets visit Old Trafford following a draw with Bournemouth.
The Mirror has reported that Arsenal are willing to make a £20m summer bid to secure his services.
Watford face Leeds United in the fifth round FA Cup clash on Saturday. Find out how to follow the match live in the UK.
Wayne Rooney picked up a knee injury and is expected to be on the sidelines for up to two months.
Quique Sanchez Flores may recall Costel Pantilimon to replace goalkeeper Heurelho Gomes.
Laurent Koscielny is Wenger's preferred choice at the heart of Arsenal's defence.
The 19-year-old forward scored a late brace to secure a 4-3 win against Brighton & Hove Albion.
The popular US fantasy sports firm will begin offering its skill-driven contests in the UK.
The 22-year-old striker has fired a warning to their Premier League title rivals.
Spurs climbed to second place in the Premier League table following a 1-0 victory over Watford.
The Spanish boss admitted Spurs deserved the three points.
Hosts leapfrog Manchester City into second following Kieran Trippier's winner at White Hart Lane.
Tottenham Hotspur face Watford in the Premier League clash on Saturday. Find out how to follow the match in the UK.
The 69-year-old Dutchman has come out in support of the controversial Spanish striker.
Hazard remained on the bench until the 73rd minute.
28-year-old Spanish midfielder is available for selection after joining from Fiorentina.
Winger is expected to fill the gap left by the departure of Nordin Amrabat to Watford.
26-year-old Nigerian is delighted by the Foxes' attention-grabbing results this season.
Ross Kemp, who plays Grant, says he couldn't turn down chance to work with Barbara Windsor again.