KOHLER, Wisconsin (Reuters) - Brooks Koepka and Bryson DeChambeau are U.S. Ryder Cup team mates and that seemed to be the only common ground for the feuding Americans as they went through final preparations on Thursday to take on Europe at Whistling Straits.

Normally if there is any bad blood at the biennial event, it is between the two sides and their fans, but this time the spotlight has been locked on the bickering U.S. team mates.