'We Are Going To See Some Big Numbers' - Claude Harmon III Predicts Six Hour Rounds At US Open And Pros Playing 'Ping Pong' On Pinehurst Greens

Claude Harmon III.

Claude Harmon III has warned fans to expect rounds of up to six hours this week at the US Open due to Pinehurst No.2's difficulty.

Fans are rejoicing at the brutally difficult conditions on show so far this week but it could come at a cost as players try to manage their way around the undulating and demanding putting surfaces at this year's US Open venue.