Golf.com Live From Pinehurst! Phil Mickelson, Martin Kaymer, Rory McIlroy and all U.S. Open First-Round Action

Jessica Marksbury, Shane O’Donoghue, Cameron Morfit, John Garrity and the USGA’s Tom O’Toole on the best and worst performances from an exciting Round 1 of the U.S. Open at Pinehurst.