ESPN Video: Juan Pablo Montoya talks about his first test with Team Penske at Sebring International Raceway.
2013 NASCAR Sprint Cup Series Champion Jimmie Johnson stopped by The Late Show with David Letterman.
ESPN Video: Jimmie Johnson reveals his physical and mental training regimen -- competing in triathlons.
ESPN Video: Jimmie Johnson breaks down winning his sixth NASCAR Sprint Cup title and where he stands historically.
ESPN Video: The ESPN Pit Studio crew breaks down what impresses them most about Jimmie Johnson's sixth title.
ESPN Video: Matt Kenseth finished second to Jimmie Johnson for the Sprint Cup title.
ESPN Video: The NASCAR crew breaks down Austin Dillon winning the NASCAR Nationwide Series championship.
ESPN Video: Jimmie Johnson celebrates after winning the 2013 NASCAR Sprint Cup championship.
ESPN Video: Jimmie Johnson's ninth-place finish at Homestead-Miami Speedway was enough for him to capture his sixth NASCAR Sprint Cup title in eight years.
ESPN Video: Tony Stewart sits down with Marty Smith to talk about his injury and when he could return to NASCAR.
ESPN Video: Go behind the scenes with Jimmie Johnson and the No. 48 team as they prepare for Championship Weekend at Homestead-Miami Speedway.
ESPN Video: Dr. Jerry Punch discusses former Daytona 500 winner Trevor Bayne's multiple sclerosis diagnosis and his future in NASCAR.
ESPN Video: Ed Hinton discusses Trevor Bayne's announcement that he has multiple sclerosis.
ESPN Video: Kevin Harvick won the NASCAR Sprint Cup Series race at Phoenix.
ESPN Video: The NASCAR crew and Carl Edwards recap the Sprint Cup Series race at Phoenix.