Chiefs seek linebacker additions after placing Cooper McDonald on IR

Yahoo Sports1 min read • Latest: Sep 18, 2026, 10:30 AM

Last updated Sep 18, 2026

Chiefs seek linebacker additions after placing Cooper McDonald on IR
Summary

The Kansas City Chiefs are looking for additional linebacker options following the placement of Cooper McDonald on the Reserve/Injured list this week due to a knee injury. The team welcomed several tryout players to their facility, hoping to fill the gap left by McDonald, who contributed significantly on special teams. Marte Mapu, a linebacker-safety hybrid previously with the New England Patriots, is among those being considered. Mapu has experience in special teams and fits the defensive scheme but faced setbacks last offseason due to an injury. The Chiefs aim to bolster their roster before their upcoming games.

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Status Watch
  • Cooper McDonald placed on Reserve/Injured list due to knee injury.
  • Chiefs hosted several linebackers for tryouts this week.
  • Marte Mapu, a former Patriots player, is a notable candidate.
  • Mapu previously faced an injury before being cut from Texans.
  • Chiefs' roster adjustments come amid ongoing preparations for the season.
Latest Updates
  • 10:30 AMYahoo SportsChiefs News: Looking for linebackers after Cooper McDonald injury
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