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When racing resumed, Stewart continued to slice through the field and used several spectacular three- and four-wide passes to close in on Edwards. Then crew chief Grubb made an unusual call to keep Stewart out on the track until he was just about out of gas. It was a risky call but worked perfectly when the rain came moments after Stewart finally stopped for gas.

It gave Stewart breathing room as he was able to save gas under yellow. He was fourth on the final restart, Edwards was sixth, and Stewart used a three-wide pass over Kyle Busch, Brad Keselowski and AJ Allmendinger to reclaim the lead.

Although Edwards quickly moved into second, he couldn’t catch Stewart as he sailed to his fifth Chase victory.

“They got 5 wins in 10 races,” Osborne said. “That’s pretty unbelievable. But they did it, and it got them the championship.”

The championship completes a total turnaround for co-owner Gene Haas, who sold half his slumping organization to Stewart in 2008 in a hope the driver could bring a spark to a team that struggled to stay inside the top 35 in points.

Tony Stewart’s a superstar, we knew that,” Haas said. “You need a wheelman. You can have all the best equipment in the world, and without a wheelman, you don’t have a whole lot.”