Jackson Koivun, 21, among U.S. captain’s picks for Presidents Cup
Brandt Snedeker named 21-year-old PGA Tour rookie Jackson Koivun as his final captain's pick for the U.S. Presidents Cup team in a television specialBrandt Snedeker named 21-year-old PGA Tour rookie Jackson Koivun as his final captain's pick for the U.S. Presidents Cup team in a television special