Chelsea skipper Terry was banned and fined £220,000 ($341,962) by an FA independent regulatory commission for racially abusing
Barton, on loan at Marseille, wrote on Twitter: "Well I think that proves a lot. What an absolute farce. Twelve games for violent conduct and only four for that. FA should be embarrassed. £shambles.
"Had a vivid dream last night involving Terry, a roaring crowd and a firing squad. Ah, not the turnout I expected...
"I was expecting at least a public execution after a year.
"Twelve games!!! By the FA's perverse reckoning, I'd of got less of a ban for racially abusing the Man City players than tickling them as I did.
"In what circumstance can that be right?"
Collins told the
He added: "The FA have to establish some sort of consistency. If the longer ban is due to more incidents within the match then that's their right. I certainly think what
"If there is a scale of these offences, the FA should give some sort of penalties people can expect."
Tottenham Hotspur's former Chelsea manager
"It's a massive, massive loss for England," said Villas-Boas.
"In the end they are his decisions, personal decisions.
"It's difficult for a player to take a position like this but on the perspective of England and qualification it leaves (England manager)
"I'm not putting into question the quality of the other players, but he is certainly missing one player of great, great talent."
Former England manager
"Whether John and Chelsea accept is it up to them but I think it might be in everyone's interest to put it to bed."
Kick it Out's Lord Herman Ouseley told BBC Radio 5 Live: "This is not about recriminations. It's about how football moves forward from here after it has spent 11 months going through the wringer.
"People are trying to make the game a better place to be. Seven million people play on a regular basis and we want them to play in an atmosphere of no abuse."
Real Madrid boss Jose Mourinho defended his former captain, insisting he was not a racist.
The 49-year-old Portuguese, who was Stamford Bridge manager between 2004 and 2007, told CNN: "He's not a racist - that's 100 per cent.
"We had a squad where we had 12 African players in the squad. It was a fantastic squad and he always had a great relationship with every one of them.
"But in football it can happen during a match, because football sometimes is more than a game and sometimes you have reactions that don't represent what you are really.
"Probably he had a racist comment or attitude against an opponent. Sometimes in football we do things the wrong way. If he had that reaction he should pay - but please don't say he's a racist. (Didier) Drogba, (Claude) Makelele...all of them will say he's not a racist.
"I never felt it (racism) in my dressing room. And I have always had African players in every one of my teams."
English Premier League