Andrew Magee is the only PGA TOUR player with a hole-in-one on a par 4, but many players have come close. Check out near-aces on par 4s including shots from PGA TOUR players like Jason Day, Viktor Hovland, Vijay Singh and Rory McIlroy.
Hear from Magee and others who witnessed his ace - https://youtu.be/rss3XVmQO9c