Everton midfielder slaps teammate Michael Keane in face
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The star, 36, was sent off in a famous 1-0 win at Man United for raising his palm to the face of team-mate Keane, with the two arguing over a misplaced pass that nearly led to a goal for the home side.
Idrissa Gueye has issued an apology to his Everton team-mates following his sending off against Manchester United.
Idrissa Gueye apologised to his Everton teammates after his red card against Manchester United. The midfielder was sent off for slapping fellow Toffees star Michael Keane in a heated exchange
Ex-Premier League official explains why Michael Keane went unpunished in Idrissa Gana Gueye incident
Gueye was sent off, but Keane went unpunished despite pushing and shoving the Senegal midfielder. Former Premier League assistant referee Darren Cann has told BBC Sport that the key difference was that Keane only pushed Gueye in the chest.
Former England goalkeeper Joe Hart said "something must have been brewing" between Idrissa Gueye and Michael Keane before the red card incident early in Everton's win at Manchester United on Monday. Defender Keane twice pushed Gueye away before the midfielder slapped him on the cheek in the 13th minute at Old Trafford.