Buffalo reshapes its defense with Hairston as the centerpiece of a speed-driven secondary upgrade. Hairston, a Kentucky product and 2025 first-rounder, touts elite outside-cover traits but is on IR with a knee issue that delays his debut. The Bills counter with Tre’Davious White, Christian Benford, Ja’Marcus Ingram, and Dorian Strong, forming a competitive outside-corner corps that could unlock the pass defense as they pursue a Super Bowl.