Everton manager Roberto Martinez says he feels no animosity towards Jose Mourinho, but does believe the Chelsea boss broke rules during his pursuit of John Stones this summer.
The Blues will travel to Goodison Park on Saturday with Stones likely to be the inspiration behind the malevolence between home and away fans.
Chelsea launched four substantial transfer bids for the 21-year-old in the transfer window while Mourinho, John Terry and Gary Cahill all made public attempts to coax him to Stamford Bridge.
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Stones was tempted. He handed in a transfer request, but would eventually fail to agitate his way to west London.
While Martinez will certainly be happy that Everton chairman Bill Kenwright stood firm, he is still adamant that his Premier League rivals went outside of the law.
Asked whether he was unhappy with Chelsea's transfer tactics, Martinez told The Telegraph: “Yes, of course, but that’s because it’s against the law,” said Martínez.
“You cannot come out and comment about another player of another club because the Premier League rules do not allow you to do it.
“We’re adult enough to understand that could put a little bit more pressure, it’s normal. It’s not accepted by the Premier League rules but it is something that happens.
“That is why I feel so strongly that the window should not be open when the season starts. Maybe we need to be pioneers. If affects football all over the world. I have been involved in 10 seasons and I can tell you three cases in every window. There are solutions to be found.
“It is part of the rules. I have always been vocal in not agreeing with having the transfer window open but you are allowed to make inquiries and table offers.
“If there is interest in your players it is a compliment and shows we are doing something well. But we are clear in our strategy, building a young team and giving them big roles and that continuity is paramount. We have made progress in every window.”
Water under the bridge
Now the transfer window is closed, Martinez is ready to bury the hatchet and face up to Mourinho like the gentleman he is.
Despite his displeasure, the Spaniard is ready to shake the Special One's hand regardless of the result come the final whistle on Saturday.
He said: “Of course, yes [I will shake his hand]. I am against the rules and clubs being able to put in bids when the competition is on. I am not against clubs being interested in our players. I 100 per cent understand.”