Arnette had his three-game suspension by the NFL on Tuesday, Aaron Wilson of KPRC 2 Houston reports.
Arnette was released by Kansas City on Saturday, Tom Pelissero of NFL Network reports.
The Chiefs signed Arnette to a reserve/future contract Thursday, Matt Derrick of ChiefsDigest.com reports.
The Dolphins signed Arnette (groin) to the practice squad Wednesday, David Furones of the South Florida Sun Sentinel reports.
Arnette (groin) was waived Monday by the Raiders, Adam Hill of the Las Vegas Review-Journal reports.
Arnette (groin) was placed on injured reserve Saturday.
Arnette (groin) has been ruled out for Sunday's game against the Bears.
Arnette picked up a groin injury during Monday's road contest versus the Chargers.
Arnette (undisclosed) is "nicked up", but the injury appears minor, Tashan Reed of The Athletic reports.
Arnette could have a limited role on defense after the addition of free-agent CB Casey Hayward, Vic Tafur of The Athletic reports.