Brooks Koepka is aiming to win his fourth PGA Championship
PGA TOUR RECENT EVENTS: Wells Fargo Championship (Winner: Rory McIlroy); Myrtle Beach Classic (Winner: Chris Gotterup) THIS WEEK: 106th PGA Championship, Louisville, Ky., May 16-19 Venue: Valhalla Golf Club (Par 71, 7,609 Yards) Prize Money: To Be …