Justin Sui of Lake Orion, Mich., a University of Florida student and past American Junior Golf Association all-star, had a 10-hole stretch of 5-under with no bogeys, and went on to post a closing 66 on Dec. 8 to edge University of North Florida senior Jason Duff by one shot and win the St. Augustine Amateur at the St. Johns Golf Club.
Sui, who had seven top 10 AGA finishes in 2020, posted a 10-under 203. Duff (67) birdied Nos. 16 and 17 to put heat on Sui and finished 9-under. Duff, who lives near the first hole of the course, was the only player in the field to shoot in the 60s all three days.
The two were tied at 5-under to begin the final round. Duff took a one-stroke lead with birdies at Nos. 3 and 4 but doubled the par-4 sixth after hitting his tee shot in the water, while Sui made birdie…