KINGSPORT — Daniel Boone is committed to the run, and Sullivan South plans to lean on its offensive line. It sounds like the front seven of each team’s defense will be tested for four quarters. The Trailblazers and Rebels renew their close-community rivalry Friday night at 7:30 in the season opener for both teams at Matherly Stadium in Kingsport. Also opening up is David Crockett, which plays host to Class 6A foe Ooltewah. Trailblazers vs.