The 2025 NFL offseason has seen significant defensive player signings and trades as teams ramp up for the upcoming season. Milton Williams joined the New England Patriots after an impressive Super Bowl performance, while Josh Sweat signed with the Arizona Cardinals, bringing his pass-rushing credentials to a team that struggled defensively. Nick Bolton secured a new deal with the Kansas City Chiefs, solidifying his role as a top linebacker. The Philadelphia Eagles retained Zack Baun, who had a breakout season, and the Carolina Panthers kept standout corner Jaycee Horn amid a flurry of defensive moves across the league.