Chiefs Rule Out Mansoor Delane and Place L’Jarius Sneed on IR

The Kansas City Chiefs head into Sunday’s critical AFC West rematch against the Denver Broncos at Mile High shorthanded in the secondary. Following a difficult primetime loss to the Seattle Seahawks in Week 7, the Chiefs must now navigate a depleted cornerback rotation after losing both rookie starter Mansoor Delane and veteran L’Jarius Sneed ahead of the matchup.

The Roster Impact at Mile High

The secondary instability arrives at a precarious time for defensive coordinator Steve Spagnuolo. As reported by Arrowhead Addict, the Chiefs have officially designated Mansoor Delane as “out” for the Week 8 game. While Delane practiced in full on Wednesday, a recurring shoulder injury—an issue dating back to OTAs in May—forced him to miss both Thursday and Friday sessions. This injury has been a lingering narrative for the rookie, who previously missed two games after landing awkwardly during a Week 1 interception return against Denver.

The loss of Sneed adds another layer of complexity. On Saturday, the team placed the veteran cornerback on the injured reserve list due to a nagging knee injury. This roster move mandates a minimum four-game absence, meaning Sneed will miss contests against the Denver Broncos, New York Jets, Atlanta Falcons, and Arizona Cardinals. His earliest possible return is currently slated for the Thanksgiving Day game against the Buffalo Bills in Week 12.

Shifting Personnel in the Secondary

To address the sudden deficit, the Chiefs have promoted Melvin Smith from the practice squad to the active roster. Smith, who previously spent time with the Tennessee Titans, returns to the Chiefs’ fold after being waived during the initial active roster cuts. His arrival provides necessary depth, though the team’s immediate solution for the starting lineup appears to lean on existing veterans.

Chiefs Rule Out Mansoor Delane and Place L'Jarius Sneed on IR

Kristian Fulton is widely expected to step into the starting role opposite Nohl Williams to compensate for Delane’s absence. Fulton, who signed a two-year, $20 million contract prior to the 2025 season, has seen limited action this year, making this a significant opportunity for the veteran to demonstrate his value. Additionally, the team may look to increase the workload for Chris Roland-Wallace, who has already seen an uptick in snaps within the slot, or utilize rookie Jadon Canady for further coverage depth.

The loss of two primary corners forces a recalibration of the defensive scheme. With Delane’s physical coverage and run-stopping instincts currently unavailable, the secondary must rely on the versatility of the remaining rotation to contain Bo Nix and the Broncos’ passing attack.

The Stakes of the AFC West Battle

The timing of these injuries places immense pressure on the Chiefs’ defense to stabilize after the Week 7 loss to Seattle. Delane’s development into an impact starter—having been selected No. 6 overall—has been a bright spot for the team, making his absence particularly felt in terms of both coverage and run support. Conversely, Sneed’s move to the injured reserve list comes as his performance in the slot had already been under scrutiny, potentially mitigating the immediate tactical impact of his absence.

For the Chiefs, the objective remains clear: secure a win at Mile High to regain divisional momentum. With the roster volatility in the defensive backfield, the game will serve as a test of the team’s depth and Spagnuolo’s ability to adjust his defensive packages on short notice. The outcome will likely hinge on whether the replacement corners can maintain the level of play established by the starters during the first seven weeks of the season.