
The cream rose to the top on day two of the US Open as a quartet of major champions including Rory McIlroy helped set up a mouth-watering weekend at Brookline.
Open champion Collin Morikawa carded a superb 66 to share the lead with fellow American Joel Dahmen on five under par, with reigning US Open champion Jon Rahm and four-time major winner McIlroy a shot behind.