Scottie Scheffler shares seven-way lead on congested US PGA leaderboard

American world No 1 among those shooting 3-under 67sRory McIlroy finishes on four-over after four straight bogeysIt was gridlock on the opening day of the US PGA, where the leaderboard was backed up like Philly traffic. By the time it was all over, seven men were tied in the lead on three-under par, and another 42 were within three shots of them. Altogether a third of the field was within easy reach of the lead. It was record for a major championship, and they have been playing them since 1860....