Listowel's Corey Conners finished his opening round at the Argentina Classic in a tie for 33rd.
Conners shots a 1-under 71 including five birdies and four bogeys. He's seven shots off the pace. Sergio Rohlmann is alone atop the leaderboard at 8-under 64.
Oshawa native Derek Gillespie is tied for third at 5-under 67.