But , like Rocky Balboa , Keene and Erskine let their surroundings be their training ground , sparring outside the courthouse .
But , like Rocky Balboa , Keene and Erskine let their surroundings be their training ground , running up the nearby foothills .
But , like Rocky Balboa , Keene and Erskine let their surroundings be their training ground , sparring outside the courthouse or running up the nearby foothills .