Denver signed Greenlaw to anchor the middle, but injury shelved him on IR, delaying a high-impact upgrade. His absence leaves Singleton to man the run defense until Week 7, when Greenlaw is hoped to return and reestablish the Broncos’ physical identity.

Broncos’ add at inside linebacker who lands on injured reserve, delaying a hoped-for impact while the team searches for reliable depth behind Singleton and Strnad.

Dre Greenlaw, four weeks from return, was placed on IR after a quad setback; Broncos aim for Week 7 reintroduction to fortify run support and pass coverage.

Greenlaw's short-term IR status tests Denver's linebacking depth and depth-chart resilience.

Greenlaw, a major Broncos offseason addition, is out for at least four games with a thigh injury after missing the offseason program and preseason. He signed a three-year, $31.5 million deal in March, and his absence creates early depth-chart questions for Denver's LB corps and fantasy value.