Jimmie Johnson reacts to Biffle's pass on him, plus Martin, Gordon, Kenseth and Truex Jr. give their takes on racing in Texas.
Clint Bowyer and Carl Edwards comment on their strong runs in Texas.
Watch as two title contenders duel under the lights, along with the other sights and sounds from Texas.
Rachel chats with Martin Truex Jr. about winning his first pole award of 2012.
Listen to the best scanner sounds from the Monster Energy NASCAR Cup Series Southern 500 throwback race at Darlington Raceway.
Erik Jones was the highest-finishing rookie as others ran into trouble in the Southern 500 at Darlington Raceway.
Denny Hamlin bounces back from a pit-road error to scoot past Martin Truex Jr. late at Darlington, winning his second career Southern 500 .
The Samsung Mobile 500 winner talks about the pass on Jimmie Johnson and saving fuel at the end of the race.