Colts name five inactives for Week 5 at Steelers; Arden Key placed on IR, out at least four games

Per a team announcement from the Indianapolis Colts on 2026-10-11T15:32:08.947Z, the club announced five inactive players for its Week 5 game at Acrisure Stadium against the Pittsburgh Steelers. The Colts placed defensive end Arden Key on injured reserve and ruled him out Friday with a hamstring injury; the team said Key will miss at least the next four games. Rookie defensive end George Gumbs Jr. was made active for the first time this season.

The announcement also said tight end Will Mallory (thumb) was a full participant in practice during the week but was not activated before Sunday’s game. On Wednesday, the Colts opened Mallory’s 21-day window, during which he can be activated from injured reserve; Mallory is identified in the team release as a 2023 fourth-round pick who sustained the injury in August prior to the Colts’ second preseason game. The Colts elevated wide receiver Nick Westbrook-Ikhine to the active roster from the practice squad and downgraded (Slayton) from questionable to out. The article states: "With Carlies out, look for rookie Bryce Boettcher to play quite a bit at WILL linebacker."

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