Darren Fletcher is not allowing himself to get affected by his new tag as Manchester United's "big game player".

The Scot will be one of the first names on Sir Alex Ferguson's team-sheet to face Chelsea on Sunday after successfully making his return from injury against CSKA Moscow on Tuesday night.

"I enjoy these matches as much as anyone and I put pressure on myself to perform more than anyone does," he said.

"The challenge of playing against the top-class players that Chelsea have is one I look forward to and I will be doing my best to win the match.

"But I am not going to make-or-break a games like this."

As someone who, during Jose Mourinho's time with the Blues, scored a winner against Chelsea at Old Trafford, Fletcher understands completely how tense such affairs can be.

With the Londoners currently sitting on top of the Premier League table and United two points adrift in second, there is no reason to believe Sunday's showdown will be any less fraught.

Not that Fletcher feels it will have a massive bearing on who eventually goes on to clinch the championship. There is far too much football to be played for that.

"Sunday is a massive game. Games against Chelsea always are," he said. "It is not going to make-or-break who wins the league by any means, although it is an important benchmark.

"Maybe psychologically it might have an effect. But Chelsea are a top-class side and we will respect them."

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