But the controversial midfielder also insisted he did not deserve to be dismissed and revealed he tried to get a City player sent off as well.
"Can do nothing but apologise to the players and the fans. Still don't think its a sending off. Tried to take 1 of their players with me..." Barton wrote on Twitter.
"The head was never gone at any stage, once I'd been sent off, one of our players suggested I should try to take 1 of theirs with me..."