Brooks Koepka made one of his strongest starts since his return to the PGA Tour, making eight birdies and two bogeys to earn a share of the lead with a six-under 64 at the Canadian Open.

Source: [Sky Sports](https://www.skysports.com/golf/news/12040/13553108/rbc-canadian-open-shane-lowry-a-shot-off-lead-in-toronto-after-opening-round-as-brooks-koepka-fires-eight-birdies)

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