Round 6 - Martinsville, Virginia, USA: 28-30 March, 2014, Martinsville, Virginia USA Marcos Ambrose races with Greg Biffle ©2014, John Harrelson / LAT Photo USA
28-30 March, 2014, Martinsville, Virginia USA
Marcos Ambrose races with Greg Biffle
©2014, John Harrelson / LAT Photo USA