NASCAR needs more upsets; Jimmie Johnson takes top spot

10. Jamie McMurray (unranked) -- Though he's not in the Chase, McMurray cracks the Power Rankings not only because he won at Talladega, but also because he has

An upset like Jamie McMurray's first Sprint Cup win since 2010 is more likely at a restrictor plate track :: Chris Graythen/Getty Images

10. Jamie McMurray (unranked) -- Though he's not in the Chase, McMurray cracks the Power Rankings not only because he won at Talladega, but also because he has been one of the better drivers on the circuit since the Chase began. His average finish of 11.83 in the six races ties him with Bowyer for eighth-best.