And though he's tossed and turned at times this season, he proved Sunday that he's still resting quite comfortably.

By winning the MBNA All American Heroes 400 at Dover International Speedway, Johnson became the first rookie in Winston Cup Series history to sweep both races at a single venue -- not to mention becoming just the second pilot to ever record three wins in his inaugural campaign.

"To be this successful in our rookie year -- well, we've tried not to let it be at the forefront of our minds. But here we are, eight races to go and we're in the heat of this points battle," Johnson said. More