Clarke says his hard work will pay off

Darren Clarke, the 2011 Open champion, is convinced he will return to form "one of these days" and is hoping that it will be at Muirfield this week.

"My desire to succeed is as great as it has been at any stage of my career," Clarke told BBC Sport Northern Ireland.

"I'm putting in too many hours and working too hard at it instead of just relaxing and going out and accepting what happens.

"I'm hitting the ball well but unfortunately my scoring is not there. One of these days it will turn around and hopefully it will be this week."

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