Jimmie Johnson had only the seventh fastest single lap in Darlington's Happy Hour, but he was quickest over the long run with a speed of 175.316 mph during 11 laps.
Our View With six top-fives in the last eight Darlington starts—including a sweep of victory lane in 2004—he has to be one of the favorites to win the Showtime Southern 500.
Most importantly, he kept from hitting the wall, which is something 13 other drivers could not report. For a complete list of drivers involved in incidents in the combined practice sessions, check out Darlington Stripes, a rolling list of drivers who have made contact with the wall this weekend.
Play Yahoo! fantasy racing
More Cup newsbreakers