Manchester United goalkeeper David de Gea pulled off a masterclass save to deny Kurt Zouma late in the game.
Man United opened the scoring midway through the first half following a brilliant goal from Marcus Rashford.
Late in the game, West Ham United pushed for an equaliser but De Gea was equal to their tasks.
Zouma had a free header inside United’s half but De Gea made an unbelievable save, given the position the ball flew into and Zouma’s position.
That was obviously West Ham United best chance of the game and de Gea made no mistakes.