The Chiefs signed Powell on Wednesday, Aaron Wilson of KPRC 2 Houston reports.
The Chiefs added Powell (hamstring) to their practice squad Wednesday.
Powell, who caught two of three targets for 20 yards in Saturday's 33-32 preseason win over the Browns, is dealing with a hamstring injury, Pete Sweeney of SB Nation reports.
Kansas City signed Powell (undisclosed) to a reserve/future contract Wednesday, Aaron Wilson of KPRC 2 Houston reports.
Powell reverted to the Chiefs' practice squad Monday, per the NFL's transaction log.
The Chiefs elevated Powell from the practice squad Saturday, Matt Derrick of ChiefsDigest.com reports.
Powell reverted to the Chiefs' practice squad Monday, per the NFL's transaction log.
Powell was added to the Chiefs' practice squad Wednesday, Charles Goldman of USA Today reports.
Powell has been waived by the Chiefs.
Powell is listed as a fifth-string wideout on the Chiefs' initial depth chart release, Charles Goldman of USA Today reports.