He isn't nicknamed "Concrete Carl" for nothing.
Carl Edwards assumed the lead on lap 52 and has been on a Sunday drive as the AAA 400 at the Dover International Speedway approaches its midpoint.
Edwards has led 111 laps and counting through 170 circuits. Jimmie Johnson runs second, more than three seconds back of the No. 99 Ford, with Kyle Busch, Matt Kenseth, and Kurt Busch rounding out the top-five. Brad Keselowski holds sixth, ahead of Kasey Kahne, Jeff Burton - who stayed out under the previous caution flag to pick up track position - and Richard Petty Motorsports teammates Marcos Ambrose and A.J. Allmendinger.
While six of the top-10 drivers are battling for the title, the driver they were chasing entering Sunday's event is struggling mightily. Tony Stewart, seeking to win three-straight races for the first time in his career, is a lap down in 27th place with an ill-handling Chevrolet. As the positions stand, he would fall 16 points back of Edwards for the point lead.