Cowboy Gameday: Defensive front faces season’s biggest challenge against Dragons

By Blake Seitz Sports Editor District 6-5A opener: Coppell (5-0) vs. Southlake Carroll (4-1), 7:30 p.m. Friday at Dragon Stadium Defensive linemen are the wild cards on most teams. They’re the hit-and-run artists, the insurgents, slipping behind enemy lines for rib-cracking sacks one moment, then filtering quietly back for run defense the next. The best line, though, maintains a presence throughout. It is capable of—and executes—big plays, but can also leave its mark when the flow of sacks and turnovers dries up; it digs in against the rush, its message to the opposing offense short and to the point: thou shall not pass. Coppell’s defense is thriving under first-year head coach Joe McBride, former defensive…