Overview

• Mickelson wore joggers during practice rounds at Royal Troon Golf Club as part of a bet he lost to YouTube golfer Grant Horvat.
• The wager required Mickelson to don the unconventional golf attire if he was defeated in their match.
• Horvat, who has over 700,000 subscribers, started the match with a five-shot advantage.
• Mickelson humorously acknowledged the situation on social media, expressing surprise at pulling off the look.
• The British Open marks Mickelson's 30th career start in the tournament.