For the second time in three years, Jimmie Johnson enters the Ford 400 at Homestead-Miami Speedway second in points, within 20 markers of the leader. Last time it happened, in 2010, he overcame his 15-point deficit to Denny Hamlin easily to score his fifth consecutive title.
It won't be anywhere near as easy this year.
There's a new point leader in town, the ultra-confident and consistent Brad Keselowski. That point deficit means something totally different after last year's format change. And all of the momentum that Johnson had just a week ago has evaporated after a disastrous race at Phoenix.
Here are the top six obstacles that Johnson will have to overcome to win his sixth championship on Sunday: