Phil Mickelson leads PGA Championship, set to become oldest ever major winner

Phil Mickelson has widened his lead at the PGA Championship. 

Mickelson made his fourth birdie of the day on the 10th hole to move to 8 under and take a four-shot lead over Louis Oosthuizen and Brooks Koepka at the Ocean Course on Sunday. 

The crowd went crazy when Mickelson’s putt rolled in….