Mickelson finished the event shooting six under par, coming in two strokes ahead of Louis Oosthuizen and Brooks Koepka. In doing so, he unseated Julian Boros back in 1968, who at age 48 won the PGA Championship, as the oldest to claim a major title.
MORE: Crowd storms 18th hole to witness Mickelson’s win up close
After his win on Kiawah Island in South Carolina, praise began flooding in from across not just the golf community, but from other star athletes and celebrities.
Here are some of the reactions on Twitter to the lefty’s win.
