Bryson DeChambeau benefitted from a dramatic rule change on the 13th hole at Austin Country Club, which Thomas Pieters didn't benefit from earlier in the day.
Viktor Hovland beat Richard Bland in a playoff to win at the Emirates Golf Club, while Rory McIlroy collapsed on the 72nd hole to miss out on extra holes.
The Irish Open is one of the most exciting and popular events on the European Tour and we have selected three players to go close this week at Mount Juliet.
Richard Bland won his first European Tour title at the age of 48 at the Betfred British Masters last month, and now he leads the US Open after two rounds.