(AP Photo/Rainier Ehrhardt, File)

(AP) -- Don't let the flecks of gray framing his still-boyish face fool you, Jeff Gordon still wants to win. Badly.

Though his balky back appears to be holding up this season, the four-time NASCAR Sprint Cup champion is well aware he's closer to the end of his brilliant career than the beginning. Gordon turns 39 next month, and Sunday's race at Indianapolis will be his 601st Cup start.

While still considered one of the cleanest racers in the series, there's an urgency to his driving these days as he tries to end a 49-race winless streak, the longest of his career.

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