Jimmie Johnson's prerace strategy for this weekend is simple - plant a seed of doubt in the mind of opponent Brad Keselowski.
As the clock ticks closer to Sunday's season finale, which will decide the Sprint Cup championship, Johnson knows from experience that moments of uncertainty will start to flood Keselowski's mind.
After competing for multiple NASCAR titles - and successfully winning five consecutive - Johnson has learned a lot about racing and the head games that exist at this level.
"The magnitude sets in at some point," Johnson said of that final race in competing for the title. "...I've been there, and I've been the guy leading the points and people are so curious to know all these 'what-ifs' - what if it happens and you're forced to answer questions that you're not used to answering that you don't want to answer? And it builds through the course of the week.
"Again, it hits everybody differently and there's no guarantees how it'll hit him."
Johnson held the points le...