Leading first-round scores on Thursday in the US PGA Tour Traveler's Championship in Cromwell, Connecticut (USA unless noted, par-70): 60 - Mackenzie Hughes (CAN) 63 - Rory McIlroy (NIR), Xander Schauffele, Viktor Hovland (NOR) 64 - Michael Thompson, Phil Mickelson, Tyler Duncan, Sergio Garcia (ESP), Noh Seung-yul (KOR), Louis Oosthuizen (RSA) 65 - Russell Henley, Tyler McCumber, Bryson DeChambeau, Brian Stuard, Rafa Cabrera Bello (ESP), Kang Sung (KOR) 66 - Cameron Davis (AUS), Jon Rahm (ESP), Shane Lowry (IRL), Patrick Cantlay, Brendon Todd, Lanto Griffin, Marc Leishman (AUS), Sam Ryder, Chris Stroud, Lucas Glover, Scott Stallings, Kevin Streelman, Kevin Na, Patton Kizzire, Harold Varner, Will Gordon afp