Justin Thomas hits out of a bunker on the 15th hole during a practice round for the PGA Championship golf tournament at Bellerive Country Club, Wednesday, Aug. 8, 2018, in St. Louis. (Photos: AP)

Justin Thomas watches his tee shot on the 15th hole during a practice round for the PGA Championship golf tournament at Bellerive Country Club, Wednesday, Aug. 8, 2018, in St. Louis.

Tiger Woods hits to the 14th green during a practice round for the PGA Championship golf tournament at Bellerive Country Club, Wednesday, Aug. 8, 2018, in St. Louis.