Aaron Rai’s father was not in attendance at Aronimink Golf Club to see his son hoist the Wanamaker Trophy following his three-shot victory at the PGA Championship. The Englishman’s old man not being on site to witness Rai become a major champion isn’t necessarily a surprise, but what Mr. Rai was doing during the moment was legitimately mindblowing. During an appearance on Golf Channel’s “5 Club” program, Rai shared that shortly after earning the…