Rory McIlroy withdrew from a practice round ahead of this week’s PGA Championship.
The Ulsterman had previously revealed he was dealing with a blister on his foot, though reports suggest the latest issue relates to a toe problem.
It remains unclear whether the injury will impact his chances at the tournament, which begins tomorrow.
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McIlroy is scheduled to play alongside Jon Rahm and Jordan Spieth in the opening two rounds.
