Brooks Koepka's caddie has tested positive for coronavirus and the four-time major champion will not play at the Travelers Championship.
Graeme McDowell finished two shots clear of Dustin Johnson to win in Saudi Arabia and end a long wait to prevail again on the European Tour.
Graeme McDowell heads into the final round of the Saudi International top of the leaderboard after overnight leader Victor Perez fell away.
Brooks Koepka, Dustin Johnson and Phil Mickelson may struggle to land the Saudi International title after Victor Perez took control.
Harold Varner and Ryan Palmer were joined by four other pairs at the top of the QBE Shootout leaderboard.
There has been plenty of success for both Northern Ireland and the Republic of Ireland in major championships over the past 12 years.
Rory McIlroy was the centre of attention in the build-up to The Open Championship, but Shane Lowry ended up firmly in the spotlight.
Graeme McDowell hailed the mental strength of Rory McIlroy and revelled in The Open returning to Royal Portrush.
Brandt Snedeker fired a 10-under 60 as Scott Brown and Matt Kuchar led the Canadian Open.
American duo Peter Malnati and Billy Hurley III moved into the lead at the Zurich Classic of New Orleans.