A number of pre-season championship contenders have considerable work to do in Las Vegas. Defending Kobalt Tools 400 winner Tony Stewart is 23rd in the standings. Las Vegas native Kyle Busch, the race’s 2009 winner, is 33rd, one spot behind his brother, Kurt Busch. Likewise points challenged are 2012 Chase qualifiers Kevin Harvick (30th), Kasey Kahne (31st) and Martin Truex Jr. (34th).