Rory McIlroy, Shane Lowry and Seamus Power are the Irish interest in the field.
Rory McIlroy will look to end his eight-year major drought at Brookline this week.
The Down native gets his US Open campaign underway at 12.40pm Irish time.
Shane Lowry and Seamus Power are also in the field at the Boston venue and are out on course this evening.
Lowry plays alongside Phil Mickelson, who is attempting to complete the career Grand Slam.
On the LPGA Tour, Belmont in Michigan is the location for the Meijer Classic.
Leona Maguire and Stephanie Meadow represent the Irish interest.