Former Auburn star golfer Jackson Koivun had a day to remember on Saturday at the 3M Open.
Koivun shot 10-under-par, giving him a score of -20 for the tournament and a comfortable 3-shot lead after 54 holes. The 21-year-old set the back-nine scoring record at the 3M Open according to the PGA Tour, firing off a score of 8-under on the back-nine.
He shot a...