Xander Schauffele shoots 62 to sit atop packed PGA leaderboard

(Photo credit: Sam Upshaw Jr./Courier Journal / USA TODAY NETWORK)

LOUISVILLE, Ky. -- Xander Schauffele capitalized on advantageous early-morning scoring conditions in the first round of the 106th PGA Championship on Thursday at Valhalla Golf Club.

On a rain-softened course, Schauffele shot a 9-under-par 62 to break both the PGA Championship and course records.It was the second year in a row that he shot 62 in a major ch