The Dallas Cowboys deserve credit for the way they reshaped their defensive roster this season. After one of the worst defensive showings the franchise has ever seen, they decided an overhaul was needed. Christian Parker was hired as their new defensive coordinator , and they began adding players who fit his vision. Dallas traded for EDGE Rashan Gary and then signed cornerback Cobie Durant and safeties Jalen Thompson and P.J. Locke in free agency. They also made an underrated move in picking up defensive end Jonathan Bullard. In the NFL draft, they hit a home run with defensive back Caleb Downs and also brought in EDGE Malachi Lawrence and linebacker Jaishawn Barham. The Cowboys were even able to shore up their starting linebacker position by swinging a draft day trade with the San Francisco 49ers for Dee Winters. EDGE rusher named the biggest question mark Dallas Cowboys defensive end Donovan Ezeiruaku celebrates after a play during the first quarter against the New York Giants.…