Collin Morikawa went on a front-nine birdie spree Saturday to open a two-shot lead at 15-under par after three rounds of the World Golf Championships -- Workday Championship at The Concession in Bradenton, Fla.

Morikawa, the 2020 PGA Championship winner, had six birdies over his first nine holes, including a career-best five consecutive starting at No. 5, and shot a 5-under-par 67 in the third round.