Marcus Rashford delivered Manchester United ultimatum amid 'pivotal moment' with Ruben Amorim

Marcus Rashford has been warned Ruben Amorim's arrival at Manchester United will be a 'pivotal moment' in his career at the club.

Amorim will take charge of United for the first time on Sunday afternoon when they take on Ipswich Town at Portman Road.

The 39-year-old is expected to play with a 3-4-3 formation and it is unclear whether Rashford is seen as a centre-forward or as an inverted number 10 in Amorim's system.

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Wherever he plays, though, former United first team coach Rene Meulensteen believes Rashford must rediscover the passion and form that saw him bag 30 goals in all competitions during the 2022/23 season.

If he doesn't, he believes the 27-year-old could well be looking for a new club.

"Ruben Amorim’s arrival is a pivotal moment in the Manchester United career of Marcus Rashford," Meulensteen told Tribal Football.

"The new manager will bring fresh ideas and a new motivation which Rashford needs to use to rediscover his best form because he hasn’t been enjoying his football.

"His body language under Erik ten Hag was not of a player who enjoyed playing and those were not good signs, he needs to buy into the new system because if he doesn’t he will be moved on by Amorim.

"It’s up to both the player and the manager but predominantly Rashford, he’s on huge money but sometimes that isn’t enough motivation.

"When I was working at United, the big intrinsic motivation was one, to play for Manchester United and number two, to be successful at Manchester United. It was all about winning.

"It's all