The short-term outlook is better than the initial shoulder exit suggested. PFM will keep Kansas City's secondary under review until Delane returns to practice, but the latest testing reduces the risk of a longer absence.
PFM NFL Injury Tracker
2026 Kansas City Chiefs Injury Report
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:
Upcoming Game Status
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.
Current Kansas City Chiefs Injuries
13 currentshoulder
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
PFM Impact on Kansas City Chiefs
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.
Latest Kansas City Chiefs Injury Updates
Mansoor Delane Expected to Miss Minimal Time
Mansoor Delane's shoulder testing produced encouraging results after he left Monday night's opener. NFL Network reported the Chiefs rookie is expected to miss minimal time.
Mansoor Delane Questionable to Return With Shoulder Injury
Mansoor Delane left Kansas City's Week 1 game against Denver with a shoulder injury and was announced questionable to return.
Patrick Mahomes Cleared for Week 1
Patrick Mahomes is officially off Kansas City's injury report and set to return Monday night against Denver.
Josh Simmons Ruled Out for Week 1
Kansas City ruled Josh Simmons out of Monday night's opener against Denver because of a back injury.
Chamarri Conner Ruled Out for Week 1
Kansas City ruled Chamarri Conner out of Monday night's opener against Denver because of a knee injury.
Chris Jones Held Out Saturday With Calf Tightness
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 Practices in Full Thursday
Patrick Mahomes was a full participant in Kansas City's Thursday practice while working back from his knee injury.
R Mason Thomas Returns to Full Practice
R Mason Thomas was a full participant in Kansas City's Thursday practice after previously missing work with a hamstring injury.
Chamarri Conner Misses Thursday Practice With Knee Injury
Chamarri Conner did not participate in Kansas City's Thursday practice because of a knee injury.
Patrick Mahomes Most Likely to Start Week 1
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.