Shane Lowry, like Rory McIlroy, make a hole-in-one Thursday at the AT&T Pebble Beach Pro-Am. But Lowry's came on one of golf's most famous holes.
The one-to-one rule is actually pretty simple, and it comes from some research from TrackMan: The one-to-one rule basically means that you add or subtract one yard for every one yard your ball is ...
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