Lewis Jonathan Wertheim[1][2] (born 1970 in Bloomington, Indiana)[3] is an American sports journalist and author.
He has been a full-time staff member for Sports Illustrated since 1996[4] and is currently the executive editor.
[5] He has covered tennis, the NBA, sports business and mixed martial arts.
[6] Wertheim is the author of ten books, including Strokes of Genius: Federer, Nadal, and the Greatest Match Ever Played, which gives a stroke by stroke analysis of the 2008 Men's Singles Wimbledon final between Roger Federer and Rafael Nadal and is a co-author (along with Toby Moskowitz) of the New York Times bestseller Scorecasting: The Hidden Influences Behind How Sports Are Played and Games Are Won, a wide-ranging statistical analysis of common misconceptions in American sports.
[8] On November 9, 2024, during the Tennis Channel's broadcast of the WTA Finals in Riyadh, Saudi Arabia, Wertheim made a derogatory comment about Barbora Krejčíková's forehead, unaware he was broadcasting on air with a hot mic.