Maybe it's just one round, but Thursday at The Open, 50-somethings Lee Westwood and Phil Mickelson shot under par.

Phil Mickelson and Lee Westwood are offering reminders that the British Open doesn't discriminate against older players.

Jacob Skov Olesen and Haotong Li held the early Thursday lead at 4 under while Mickelson, 55, had his lowest opening round in an Open since 2016.

Phil Mickelson avoided most of the rain to card a 1-under 70 for his best opening round at an Open Championship since 2016.

Phil Mickelson got a horrible break early at the 2025 Open Championship but saved himself with a bunker hole-out to briefly take the lead.

Phil Mickelson was flying high on Thursday at Royal Portrush, posting a solid 1-under 70 at the opening round of the 153rd British Open.