Sports Michael Thorbjornsen made the cut at the U.S. Open. He’s just 17 June 15, 2019 Beth Ann Nichols, Golfweek Comments Off on Michael Thorbjornsen made the cut at the U.S. Open. He’s just 17 Michael Thorbjornsen, U.S. Junior champ, is playing the US Open this weekend, only the second 17-year-old to make Open cut in last decade.