The Chiefs signed Armstrong from the practice squad to the active roster Friday, Aaron Wilson of KPRC 2 Houston reports.
Sneed (knee) is questionable for Sunday's game against the Seahawks.
Smith (hamstring) has been ruled out for Sunday's game against the Seahawks.
McCollum (illness) does not carry an injury designation into Sunday's game against the Panthers, Greg Auman of Fox Sports reports.
Winfield (ribs) has been ruled out for Sunday's game against Carolina, Greg Auman of Fox Sports reports.
Worthy will once again operate as the Chiefs' top wide receiver after Rashee Rice (hamstring/knee) was ruled out ahead of Sunday's game against the Seahawks, Pete Sweeney of The Kansas City Star reports.
Emeka Egbuka (concussion/foot) has been ruled out ahead of Sunday's game against the Panthers, so Johnson and the rest of the Buccaneers pass catchers will be tasked with larger roles offensively.
Hurst and the other Buccaneers' wide receivers will have elevated roles against the Panthers on Sunday due to the absence of Emeka Egbuka (concussion/foot).
Kelce (ankle) doesn't have an injury designation for Sunday's game against the Seahawks.
Rice (hamstring) will be out for Sunday's game at Seattle, Sam McDowell of The Kansas City Star reports.
