As Jimmie Johnson and Mark Martin sat on a stage for NASCAR's annual championship contenders press conference, the differences between them stood in stark relief. One is a 34-year-old native of Southern California, the other a 50-year-old from rural Arkansas. One is a three-time champion of the sport's premier division, the other a four-time runner-up. On the surface, they seem separated by so much more than just the 108 points that stand between them on the race track -- side-by-side, the fresh-faced Johnson and wizened Martin look less like competitors for the Sprint Cup title and more like father and son.More
from: Checker O'Reilly Auto Parts 500 presented by Pennzoil
as of: Checker O'Reilly Auto Parts 500 presented by Pennzoil
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