The Dallas Cowboys have made substantial strides in their defensive performance, as noted by star defensive tackle Quinnen Williams. He described the team's progress as 'night and day' compared to last season, crediting the new coaching staff and an intense training regimen for this transformation.
In 2025, the Cowboys faced challenges, finishing last in the NFL for opponent passing yards and points allowed, and ranking 30th in total yards allowed. The team’s previous defensive coordinator, Matt Eberflus, oversaw a struggling unit that tied for 22nd in sacks. The departure of Dan Quinn, who had a more effective defense, has led to a renewed focus under new defensive coordinator Christian Parker.
Williams emphasized that rigorous daily practices against a strong offense have been crucial to their development, stating, "It's been amazing — from where we started off in OTAs to where we are at now," while also acknowledging the need for further improvement.
The Cowboys have also strengthened their roster with key signings, including safety Jalen Thompson, cornerback Cobie Durant, and veteran linebacker Rashan Gary from the Green Bay Packers. In the 2026 NFL Draft, they selected safety Caleb Downs and linebacker Malachi Lawrence to enhance their defensive capabilities. The Cowboys will kick off their 2026 regular season against the New York Giants on September 13.