Tim Petrovic and Michael Putnam both recorded rounds of 64 to earn a share of the lead on day one the Canadian Open.
Putnam made six birdies in a bogey-free day at Royal Montreal as he backed up his long game by hitting top form with the putter, while Petrovic, who has not won a PGA Tour event since 2005, reached the top of the leaderboard with four birdies and an eagle.
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Petrovic was not initially scheduled to be in the field this week, but Benjamin Alvarado's decision to withdraw opened up a spot for the 47-year-old.
Kyle Stanley is just one shot behind the leaders after 18 holes, and he is joined on five-under-par by Canadian amateur Taylor Pendrith.
Former Masters champion Charl Schwartzel and Nick Watney are among a group of 11 players a stroke further back after respective rounds of 66.
