Ole Gunnar Solskjaer became the ever first Manchester United manager to win his first six league games in charge as his team persisted to beat Brighton.
|Marcus Rashford scored his 41st goal for the club on his 150th appearance|
It was United's seventh straight win since the Norwegian took over at old Trafford on an interim basis a month ago and they are now just 3 points off fourth-placed Chelsea, who play Arsenal in Saturday's late kick-off.
Paul Pogba put United ahead after winning so converting a penalty in the twenty seventh minute.
Marcus Rashford doubled the lead simply before half-time with an attractive solo goal on his 150th look for the club.
Pascal Gross halved the deficit for the visitors when he scored in off the bar with simply over 20 minutes remaining.
Brighton improved in the half however their wretched away record continuing as they fell to a fifth defeat in their last eight Premier League games.
United s winning streak continues
The last time these sides met was in August, once United's season under Jose Mourino began unravelling with a 3-2 defeat.
But United's first-half performance at old Trafford on saturday was worlds apart from that game last summer.
Solskjaer almost had the posh of naming an unchanged line-up for back-to-back league games for the primary time since December 2017, however Luke Shaw fell sick in the tune-up and Diogo Dalot took his place.
United place Brighton under relentless pressure from the off and deservedly took the lead.
Nemanja Matic's cross-field pass found Pogba, whose initial touch took him past Gaetan bong and the defender then clumsily nudged him over.
The Frenchman's stuttering penalty run-up has not fully disappeared, however this was nowhere near as long as his 26-step effort against Everton back in October and he slotted his shot past David Button.
Rashford s recent goalscoring kind continuing as he got his ninth of the season and his fifth below Solskjaer.
The England striker was played in by Dalot, sent Gross the wrong way so bent his shot into the top corner.
Rashford was excellent for the first hour, spraying passes about with confidence and whipping in a very beautiful cross for Jesse Lingard, who prodded wide when he really should have scored.
United alleviated off in the final 20 minutes, lacking sharpness and became sloppy as they omitted on a fourth clean sheet in a row.
United trip the Emirates stadium to face Arsenal in the fa Cup fourth round on Friday (19:55 GMT), They then host Burnley in the league on 29 january.
Brighton are in cup action and host Championship facet West Brom on saturday (15:00 GMT). The Seagulls then travel to Premier League strugglers Fulham on 29 January.