More than half of last season’s Cowboys defensive roster is gone after a major offseason reset

The Dallas Cowboys’ defensive outlook has been reshaped quickly. Yahoo Sports reported on Monday that more than half of the defenders who were on the Cowboys roster last season are now off the team, a level of change that underscores how aggressively the organization appears to be moving on from a defense that struggled to stop opponents last year.

According to the report, the churn has been especially stark for players who were part of the Cowboys defensive unit when the team posted what Yahoo Sports characterized as the NFL’s worst defense last season. In practical terms, that kind of performance tends to ripple through roster construction, because front offices typically treat repeated inefficiency as a report to alter personnel, roles, and depth patterns across the board.

Roster turnover is rarely a single event. It usually arrives through a mix of training-camp cuts, practice-squad and reserve decisions, and veterans being replaced by players who better fit a revised plan. The Yahoo Sports piece frames the change as unusually consequential, emphasizing that the Cowboys’ defense looks markedly different than it did at this point a year ago.

Because the report is focused on the overall count and the theme of disruption, it does not, in the available preview, spell out every player who has left or the exact breakdown by position. That matters, since the reasons for departure can differ. Some departures are about scheme fit and athletic traits. Others reflect depth chart movement, coaching evaluation, or performance consistency over a long stretch rather than a single outing.

Still, even without player-by-player details in the preview, the broader message is clear: Dallas is not trying to preserve the prior defensive identity. Teams coming off a historically poor defensive season often prioritize two goals at once, improving pressure and reducing explosive plays while also ensuring that the personnel align with the way the defense is meant to be played.

What to watch next is whether the Cowboys’ offseason changes translate into a more playable defense once the unit is in full-season rhythm. Turnover can improve the talent ceiling, but it also creates learning curves. Early performance in camp and the preseason typically reveals how quickly new roles stabilize, and it can hint at what the coaching staff believes it can execute reliably under pressure.