Ruben Amorim was spotted going 'berserk' at one of his players in Manchester United's hard-fought victory over Newcastle United.
Man United returned to the win column with a 1-0 win over Newcastle on Boxing Day.
Patrick Dorgu scored the only goal of the game as he lashed a volley into the bottom corner in the 24th minute.
It's Man United's first win since their 4-1 victory over Wolves at the start of the month, while Newcastle have now gone three league matches without a victory - with the club already making a decision on Eddie Howe's future.
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Amorim, on the other hand, changed his side's formation to earn not only a victory but also a clean sheet.
His team held on to beat Newcastle, who applied huge pressure but to no avail in the closing stages of Friday's league fixture.
Having started the game with a back four, Amorim deployed a back six late on to counter Newcastle's attacking threat.
The Red Devils coach also made some changes in attack, including Joshua Zirkzee, who replaced Benjamin Sesko in the second-half.
But Zirkzee frustrated Amorim in a worrying moment.
According to Samuel Luckhurst, Zirkzee angered Amorim for 'not pressing' or 'busting a gut'.
"Amorim often going berserk at Zirkzee for not pressing or busting a gut," he wrote on X.
A video emerged of the Portuguese going 'berserk' on the touchline, which appeared to be aimed at Zirkzee.
Despite his outburst, Man United secured a much needed Premier League win.
Speaking after the result, Amorim said: "I think it's something that we need to feel that, that we can win sometimes without playing so well, that we can win games with the spirit and with the togetherness in the team.
"We were suffering a lot," he added. "We were just trying to survive."
Man United, who climbed above Sunderland and Liverpool to fifth place following their win, return to action next Tuesday when they host Wolves.
Topics: Football, Manchester United, Ruben Amorim
Nasir Jabbar