Grew up in South Florida as a rabid fan of the Miami Dolphins, who would eventually supply 19 of Rosenhaus' first 49 NFL clients. Registered as a sports agent at the age of 22, the youngest to ever do so to that point. Consulted on the film Jerry Maguire (1996), and appeared in Any Given Sunday (1998) and episodes of Arli$$. Stood infamously by the side of client Terrell Owens during "T.O.'s" 2005 dispute with the Philadelphia Eagles. Rosenhaus later parodied his "Next question!" routine in a 2006 Burger King commercial. Administered CPR to revive a drowning boy at an Orlando hotel in 2005. Represents close to 100 NFL players, of whom nearly a quarter come from the University of Miami. Authored two books (with brother Jason): A Shark Never Sleeps: Wheeling and Dealing with the NFL's Most Ruthless Agent; and "Next Question: An NFL Super Agent's Proven Game Plan for Business Success.