87% of the 312-player field, 57 of 64 match-play qualifiers, 7 of 8 quarterfinalists, 4 of 4 semifinalists, an all-Titleist golf ball finale, and a USGA title for the #1ballingolf.
When competitors at the #USAmateur can choose any golf ball, the overwhelming majority choose Pro V1 or Pro V1x. 👊