Luis Martinez Jr.Luis Martinez Jr. is an American professional stock car racing driver. He has raced in the NASCAR Nationwide Series.Racing careerMartinez started to compete in the NASCAR K&N Pro Series West in 2008. He won the series' Rookie of the Year award in 2010, driving for Sunrise Ford Racing. In 2011, he won his first race at Portland International Raceway after David Mayhew overdrove the last corner on the last lap of the race.