Zach Johnson came off the course last night and slammed the USGA’s preparation of Merion, claiming it has been ‘manipulated’ and should have been left alone.

Executive Director Mike Davis disagreed and claims that’s what has to be done to keep the players in check and ensure the right man wins the event.

We want to know what you think – is the course too hard or too easy? Have the USGA got it right?

Have your say – vote here.