Jason Day and Brendan Todd are atop of the leaderboard at the PGA Championship in San Francisco. Both shot a five-under 65 in Thursday’s first round at TPC Harding Park to lead by one stroke. Nine players are tied for third at four-under. Tiger Woods sits three shots off the lead at minus-two. Louisville area native Justin Thomas is at two over 72 and Nashville’s Brandt Snedeker is at three over 73.