Travis Pastrana said Monday he's leaving NASCAR after this weekend's season finale Nationwide Series race at Homestead. He cited a lack of sponsorship, a desire to spend time with his wife and new daughter and frustration over his struggles in NASCAR as his reasons for leaving the sport. ''It's tough to step back now and prove the critics were right, but unfortunately my results were not good enough to get the sponsors I needed to appropriately fund next season,'' Pastrana wrote. ''My wife Lyn-z has been more than supportive of my foray into NASCAR, often times being my biggest source of encouragement and support. More...