Las Vegas overhauls its defense, replacing roughly half the starters this offseason. Veteran Elandon Roberts anchors a unit leaning on Graham’s install to yield fast, disruptive results. The piece highlights turnover emphasis, with Roberts noting the need to create takeaways and manage a complex scheme for newcomers. Week 1 becomes a pressure test for cohesion, ball security, and the mental clock of a defense facing a steep early schedule.