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The apparent bias in favour of Leicester City's Premier League prospects angered Tottenham Hotspur boss Mauricio Pochettino.
As the Foxes approached their momentous top-flight triumph, with Spurs as the closest challengers, Pochettino believes that a lack of 'professionalism' was displayed by competing clubs.
Amongst the most notable comments was Eden Hazard's candid admission that he and Chelsea teammates were hoping for Leicester success, while West Bromwich Albion boss Tony Pulis was equally straightforward in clarifying his desire for the Foxes to lift the Premier League trophy.
"Maybe in the next few meetings of the Premier League, the managers and also the staff, we need to say that in future we must be careful with all these comments in public," said Pochettino.
"In football, our responsibility is to be professional. When you are professional, you do not give your personal opinion.
"If I support Tottenham and we play against some team which fights for the title, or to survive, then I can't give my opinion like a supporter. I need to give my opinion like a professional. It's always dangerous when something happens like that.
"Maybe in the last few weeks or months, we know the football people maybe don't behave like professionals. We need to be careful."
Leicester's maiden top-flight title success was confirmed when Chelsea came from two goals down to draw with Tottenham at Stamford Bridge on Monday night.