Listen live to all the action of the Quaker State 400 on WIBX tonight with the Performance Racing Network as the NASCAR Sprint Cup Series stops at the Kentucky Speedway.
For the first time in 143 races, Dale Earnhardt Jr. raced to Victory Lane on Sunday to capture the Quicken Loans 400 at Michigan International Speedway.
Kasey Kahne earned his first win of the season, and first with Henrick Motorsports, taking his third checkered flag at Charlotte's Coca-Cola 600 on Sunday night.
Jimmie Johnson picked up his first win of the 2012 season, but the 200th Cup Series win for Hendrick Motorsports, as the No. 48 held off Denny Hamlin and Tony Stewart on Saturday night to win the Bojangles' Southern 500 at Darlington Raceway.
NASCAR Sprint Cup points leader Greg Biffle has the pole at Darlington, but most eyes will focus on the back of the pack, with Danica Patrick starting in 38th - the same spot she finished after a crash during her Cup series debut at Daytona earlier this year.