Here are 10 statistics of note from Round 1 of the U.S. Open at Torrey Pines:
• First-round co-leader Louis Oosthuizen is one of just three players with top-10s in the 2019 and 2020 U.S. Opens (with Rory McIlroy and Xander Schauffele).
• The other co-leader, Russell Henley, has four career 18-hole leads on the PGA Tour. His best finish in those four events is T-3 (2015 Sentry Tournament of Champions).
• In Brooks Koepka's two U.S. Open wins, Koepka was T-4 (2017, two shots back) and T-46 (2018, six shots back) after one round.
• Thursday’s 69 was Koepka's sixth straight round in the 60s at the U.