Johnell Barnes (4) of the Duke Blue Devils celebrates after scoring a touchdown against the Tulane Green Wave at Yulman Stadium on September 3, 2015 in New Orleans, Louisiana.
Johnell Barnes (4) of the Duke Blue Devils celebrates after scoring a touchdown against the Tulane Green Wave at Yulman Stadium on September 3, 2015 in New Orleans, Louisiana. Chris Graythen Getty Images
Johnell Barnes (4) of the Duke Blue Devils celebrates after scoring a touchdown against the Tulane Green Wave at Yulman Stadium on September 3, 2015 in New Orleans, Louisiana. Chris Graythen Getty Images

Early season mantra: First, do no harm

September 11, 2015 3:03 PM