PFM NFL Injury Tracker
The 2026 Kansas City Chiefs injury report currently has 13 players still being tracked. The latest Kansas City Chiefs injury update is Mansoor Delane, currently listed as Monitoring.
Last updated:
Latest verified practice participation and game designations for this matchup.
Week 2 · vs. Indianapolis Colts · Sep 20
No verified practice or game designations are listed yet for this matchup.
shoulder
Josh SimmonsOT Injuredback
Chamarri ConnerS Injuredknee
Chris JonesDT Monitoringcalf
R Mason ThomasDE Monitoringhamstring
Chris OladokunQB IRInjury update
EJ SmithRB IRInjury update
C.J. HansonOG IRInjury update
Melvin Smith Jr.CB InjuredRibs
Kenneth Walker IIIRB MonitoringSwollen ankle
Trey SmithOG MonitoringHip
Tyreke SmithDE InjuredHamstring
Alohi GilmanS InjuredBack
Simmons' confirmed absence removes Kansas City's starting left tackle for Mahomes' return game. PFM had already been reviewing the line because Simmons was trending toward missing the opener, and the final Out designation locks that concern into the Week 1 configuration.
Conner's absence takes a starting safety out of Kansas City's Week 1 secondary. It is a real defensive-depth hit, but one missed game is not enough by itself to change the broader Team Score.
Jones' Saturday absence matters because he is central to Kansas City's defensive front, but the lack of a game designation keeps this at watch status.
Mansoor Delane left Kansas City's Week 1 game against Denver with a shoulder injury and was announced questionable to return.
Patrick Mahomes is officially off Kansas City's injury report and set to return Monday night against Denver.
Kansas City ruled Josh Simmons out of Monday night's opener against Denver because of a back injury.
Kansas City ruled Chamarri Conner out of Monday night's opener against Denver because of a knee injury.
Kansas City held Chris Jones out of Saturday's practice after his calf tightened Friday. He has no injury designation for Monday night's opener.
Patrick Mahomes was a full participant in Kansas City's Thursday practice while working back from his knee injury.
R Mason Thomas was a full participant in Kansas City's Thursday practice after previously missing work with a hamstring injury.
Chamarri Conner did not participate in Kansas City's Thursday practice because of a knee injury.
Andy Reid said Patrick Mahomes is most likely to start Kansas City's Week 1 game against Denver barring a setback in the next few days as Mahomes completes his return from last season's knee injury.
Andy Reid said there is a good chance Josh Simmons will not play against Denver in Week 1 as the Chiefs continue managing the left tackle's back injury.