NASCAR Sprint Pit Crew Challenge

NASCAR Sprint Pit Crew Challenge

CHARLOTTE, NC – MAY 17: Tony Stewart, driver of the No. 14 Office Depot-Mobile 1 Chevrolet jokes with a crew member during the NASCAR Sprint Pit Crew Challenge at Time Warner Cable Arena on May 17, 2012 in Charlotte, North Carolina. (Photo by Streeter Lecka/Getty Images)

Greg Engle