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The two spent a lot of time together at the Presidents Cup, where Woods was serving as an assistant captain for the American side. They were seen holding hands on the course at Liberty National Golf Club, where Herman sported a "player spouse" credential that is usually reserved for significant others.
Woods and Herman have apparently known each other for months. Herman recently served as general manager of The Woods, Woods' pop-up restaurant that served items like lollipop lamb chops, truffle fries, and tuna tartar to hungry fans at the Genesis Open in February.
While the relationship has not been confirmed, Herman posed with other Team USA wives and girlfriends after the competition ended.
If Woods and Herman do acknowledge a relationship, it would be the first update on Woods' dating life in more than a year. The former world No. 1 golfer split with stylist Kristin Smith last year. He also dated Olympic skier Lindsey Vonn for over two years, parting ways with her in May 2015.