Manuel Ugarte was quick to respond to Fulham winger Adama Traore after an Instagram post directed at his Manchester United team-mate Lisandro Martinez.
Martinez scored the only goal in United's 1-0 win over Fulham at Craven Cottage on Sunday.
The goal, which came with 12 minutes left on the clock in west London, saw the Argentinian's long-range effort deflected over the head of goalkeeper Bernd Leno, who could only get his fingertips to the ball in his attempts to keep it out.
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Earlier on in the game, there had been a confrontation between Martinez and Traore after Fulham failed to kick the ball out of play for an apparent injury to Ugarte.
Opposition players are under no obligation to kick the ball out - with the referee given special discretion in the case of a head injury - but United players were furious that Fulham continued with their attack.
After his shot comfortably cleared the bar, Traore was confronted by Martinez and the pair had to separated by players from the two respective sides.
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In the Spaniard's post-match Instagram post, the first photo is of Traore stood upright while Martinez was on the ground at one interval during the game.
And it didn't take long for Ugarte to get involved on Monday morning.
Among others from the match, he posted a photo of himself producing a sliding challenge on Traore to win the ball, and captioned the post: "+3 big away points."
The post was liked by a number of his United team-mates, including captain Bruno Fernandes, Amad, Rasmus Hojlund and Diogo Dalot.
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Speaking after the game, manager Ruben Amorim admitted that it was 'not a great performance' at Craven Cottage but did praise certain aspects of the display, including a vital clean sheet.
He said: "Of course, it was not a great performance and we can see it, but we fight for the win. We gave some time to the team to understand the game.
"[We were] not playing so well but give us time to have that bit of luck that we need sometimes to win a football match. A clean sheet also, so let's get this feeling to the next game.
"You need sometimes a bit of luck, and we had some games that we lost, and in the end nobody cares because the result [is what] counts."
Topics: Manchester United, Lisandro Martinez, Adama Traore, Fulham, Premier League