2020 U.S. Open Preview: Who are the Dark Horse Candidates?

Sports Illustrated's Ryan Asselta previews the Dark Horse Candidates for the 2020 U.S. Open at Winged Foot.

Sports Illustrated's Ryan Asselta shares his dark horse candidates to win the 2020 U.S. Open. Michael Campbell, Steve Jones, and Lucas Glover have all been unlikely winners at the U.S. Open and Winged Foot offers a unique challenge that could present another unlikely candidate.