The greens at Aronimink Golf Club are keeping frustrations high and scores close to par.  After 36 holes of the 108th PGA Championship, the lead is split between Alex Smalley and Maverick McNealy, both of whom are 4-under after shooting a 1-under 69 and a 1-under 67, respectively.  Despite those showings, Scottie Scheffler remains the betting favorite at FanDuel Sportsbook with a tag of +390, even after slipping two shots off the lead. Scheffler was part of a seven-way tie atop the leaderboard