Michael Curtis Waltrip (born April 30, 1963) is a professional race car 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 currently drives the No. 66 Toyota Camry part-time in the NASCAR Sprint Cup Series, and the GT2 Ferrari for AF Corse in the FIA World Endurance Championship. He also competed in the 2011 edition of 24 Hours of Le Mans.