Three-time significant champ Streams Koepka and individual American Bryson DeChambeau share the lead after an exciting opening round of the 83rd Bosses.
Koepka shot an intruder free 66 while DeChambeau, who hit the stick with his second shot to the last, tapped in for birdie to likewise score six under.
Three-time champion Phil Mickelson, offering to turn into the most established real victor in history at 48 years old, is third on five under, while 43-year-old British chap Ian Poulter is joint fourth close by world number two Dustin Johnson on four under.
Spain’s Jon Rahm and 2013 Bosses victor Adam Scott are in a gathering on three under while four-time champion Tiger Woods is a shot further back on a clogged leaderboard.
Northern Ireland’s Rory McIlroy started his journey for the main real he is yet to win with a one more than 73, while world number one Justin Rose, who was four over after nine, holed birdies on the fifteenth and seventeenth openings as he checked a 75.