Michael Curtis Waltrip (born April 30, 1963) is an American professional stock car racing driver, co-owner of Michael Waltrip Racing, racing commentator, and published author. He is the younger brother of three-time NASCAR champion and racing commentator Darrell Waltrip. Waltrip is a two-time winner of the Daytona 500; having won the race in 2001 and 2003. He is also a pre-race analyst for NASCAR on FOX. He is a part-time driver in the NASCAR Sprint Cup Series mainly competing in races at Daytona and Talladega. He also competed in the 2011 edition of 24 Hours of Le Mans. At 6 foot, 5 inches, he is the tallest active NASCAR driver.