Kiwi golfer Michael Campbell has pulled out of both this year's US Open and PGA Championship.

The 2005 US Open champion last played in January, but has been battling an ankle injury that stopped him from playing for two to three months.

Campbell is now back swinging and managing to play 18 holes again.

However, Campbell said he has separated with his wife Julie, and isn't fully physically or mentally ready to return to play top tournament golf.

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He's confirmed he won't play next month's US Open or the PGA Championship in August, along with all the events in between.

The US Open is at the venue of Campbell's 2005 triumph, Pinehurst.