Will Jimmie Johnson stop his summer swoon? Will Jeff Gordon roll from the pole? What do we really know with four races left before the Chase? There's a lot of intrigue heading into the Pure Michigan 400.
Clint Bowyer has some serious business to attend to Saturday night, a little thing about making the Chase for the Sprint Cup. Will the Nationwide Series leader's pursuers catch a break? Don't count on it, writes Mark Ashenfelter.