Former Premier League referee Dermot Gallagher says Casemiro was right to be sent off against Crystal Palace at the weekend and Andre Marriner couldn't have sent of Jordan Ayew.
Crystal Palace narrowly lost to Manchester United at Old Trafford after Bruno Fernandes and Marcus Rashford scored either side of half-time.
At 2-0, a fracas broke out which was initiated by United winger Antony and once it cleared up, referee Marriner was called to check with VAR with replays showing Casemiro with both hands around Will Hughes' neck.
READ MORE: Erik ten Hag makes claim over Crystal Palace’s Jordan Ayew after Casemiro’s Man United red card
The Brazilian was shown a straight red card with United boss Erik ten Hag saying after that Palace star Ayew should have been sent off as well as his own player.
But speaking to Sky Sports, Gallagher believes the referee made the right call and that they could not send off the Ghana international as well because there is only 'so much they can pick up at the time'.
"It's the worst nightmare for a referee, there is so much going on isn't there? It's impossible to police [it] yourself. I think what you have to do is keep an eye on what you can see and tell your assistants to take notice.
"If you watch Scott Ledger [the assistant referee], he's trying to control players, he then goes round the back to get a better view of something else.
"Casemiro is actually behind his back (at this point) that's the problem there is just so much going on. I think the VAR picked up Casemiro and people are asking why Ayew wasn't picked up. I think there is only so much they can pick up at the time.
"I think Casemiro is a red card. The reason I say that is because you can't condone a player putting both hands around somebody's throat. I think the VAR has looked at it and recommended that it is a red card. There are other things going on - is somebody a peacemaker or an aggressor? I think the FA will look at that today and it's up to them to see if they have to process anything else.
"People say it looks different from one angle to another. Sue [Smith] and I were talking before the programme about the (Joao) Cancelo incident last year and I felt the problem was that they focused on one angle which wasn't conclusive rather than an angle that was conclusive.
"I think it's the same here. I don't need to focus on an angle that is not conclusive because I have got an angle that I think is conclusive. When I see a player with two hands around a player's throat, I can't condone that and say that is not a red card offence because if I do then what I am doing is giving a player a licence week after week after week to think that this is acceptable. I don't think this is acceptable.
"I think the angle that Andre [Marriner, the referee] was shown is conclusive. I think that is a red card. I think that this one will roll on this morning - it was impossible for the two of them there to police that."
BBC pundits Alan Shearer and Ian Wright felt the decision to send off Casemiro was 'harsh' and highlighted what was going on between Ayew and Fred.
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