Roger Sloan and David Hearn are the leading Canadians at the OHL Classic at Mayakoba in Playa del Carmen, Mexico, each shooting three-under 68s in the first round.
Both players go into Friday’s second round in a tie for 29th, three shots off the lead.
Adam Hadwin is just a shot back after a two-under 69 on Thursday.
Nick Taylor, who won last week’s Sanderson Farms Championship, shot an even par 71.
For the leaderboard, click here.