Manchester United fans booed head coach Ruben Amorim's decision to substitute Alejandro Garnacho in the first half of the Red Devils' win over Ipswich.
United scraped to a much-needed victory against the Tractor Boys, despite playing more than half of the game with 10 men after new signing Patrick Dorgu was sent off at Old Trafford.
Captain Bruno Fernandes created two of the goals, with Matthijs De Ligt and Harry Maguire on the scoresheet to add to a Sam Morsy own goal.
Jaden Philogene had netted twice for the visitors, meanwhile, who remain five points from safety following a disappointing performance and wasted opportunity to gain some ground on Wolves.