4 golfers withdrew from PGA Tour's RBC Canadian Open

Four golfers withdrew from the PGA Tour's RBC Canadian Open, including J.T. Poston, who had just won the Memorial Tournament on June 11, 2026, defeating Ryan Gerard in a playoff. Poston's Memorial victory secured his spot in the U.S. Open, prompting his withdrawal from the Canadian Open, where he was replaced by Ben Martin. The other three withdrawing golfers were not named in the excerpt.