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.
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.
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.
Rice (hamstring/knee) was not present during the portion of Friday's practice open to the media, Pete Sweeney of The Kansas City Star reports.
Rice (hamstring/knee) did not practice Thursday.
Kelce (ankle) was listed as a limited participant in Thursday's practice.
The Chiefs placed Simmons (lower back) on injured reserve Thursday.
