2019 PGA Championship: Brooks Koepka finds his edge, exuding toughness in fourth major win

Brooks Koepka had just birdied the par-4 10th, one of the hardest holes on the course, to open up a six-stroke lead on Dustin Johnson with just eight holes to play. Little did the bored man nor a lethargic gallery nor a glazed-over audience know what was in ...