Bright Lights, Big Changes

RACE 23

8/22 GFS MARKETPLACE 400

MICHIGAN INTERNATIONAL SPEEDWAY Brooklyn, Mich.

Fortunately for Greg Biffle, the Flash and other Superfriends were on hand to help him outrun Roush Racing teammate Mark Martin for his second career win.

RACE 24

8/28 SHARPIE 500

BRISTOL MOTOR SPEEDWAY Bristol, Tenn.

After struggling for much of the season's second half,

Dale Earnhardt Jr. cruised to his 13th career win by lapping more than half the field in a dominant performance.

RACE 25