Coates was waived by the Chiefs on Friday, Field Yates of ESPN reports.
The Chiefs signed Sammie Coates on Friday, Brooke Pryor of The Kansas City Star reports.
Coates worked out for the Cowboys on Friday, Todd Archer of ESPN.com reports.
Coates was limited in Wednesday's practice with a hamstring injury.
Coates caught his lone target for 12 yards in Houston's Week 4 overtime win against Indianapolis on Sunday.
Coates does not carry an injury designation for Sunday's game against the Colts.
Coates (hamstring) is inactive for Sunday's game against the Giants.
Coates (hamstring) is listed as questionable on the Texans' injury report ahead of Sunday's matchup with the Giants.
Coates (hamstring) was a limited participant in Wednesday's practice.
Coates (hamstring) will not play in Sunday's game against the Titans, Aaron Wilson of the Houston Chronicle reports.