Aaron Rai dropped his arms to his side and paused, as if he was in a state of disbelief. His putt on the par-3 17th hole traveled more than 68 feet across one of Aronimink Golf Club’s signature large,

Pre-tournament longshot Alex Smalley, who prior to this week had never been a contender in a major, heads into the final ​round of the PGA Championship on Sunday holding a two-shot lead ‌and looking t...