Harry Maguire was overheard shouting at the referee's official after after he was fouled by Dominic Calvert-Lewin in Manchester United's 3-3 draw with Everton.
The Red Devils captain was defending his side's precarious 3-2 lead over Everton when his fellow England international fouled him.
But the linesman saw nothing wrong with the challenge, prompting United centre-back Maguire to loudly shout: "Are you taking the p***?"
Manchester United stormed into a two-goal lead against Everton on Saturday, with Edinson Cavani opening the scoring with a header at the back post.
Bruno Fernandes put United well and truly in the driving seat before the half-time break with a spectacular effort from outside the area.
But the Toffees were a rejuvenated team in the second half and were level within seven minutes, with Abdoulaye Doucore and James Roriguez on the scoresheet.
Scott McTominay made it 3-2 to Man United, as the Red Devils reclaimed the lead.
And the home side looked like they had enough about them to see out the result.
But Calvert-Lewin popped up at just the wrong moment for United, netting with the final kick of the match to ensure Everton returned to Merseyside with a share of the spoils.
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