The Dolphins are doubling down on running back additions in the wake of Alexander Mattison's season-ending neck injury.

The Miami Dolphins signed two free-agent running backs following the injury to Alexander Mattison, who is out for the season.

After two years spent with the Denver Broncos, Mike Boone has bounced around the NFL, landing this week with the Miami Dolphins.

After stops with the Denver Broncos (2021 to 2022) and the Houston Texans (2023), Boone signed on with the Panthers ahead of ...

The Dolphins signed Boone to a contract Monday. With Alexander Mattison (neck) being placed on injured reserve, the Dolphins bolstered their backfield Monday by adding Boone and Aaron Shampklin. Boone ...

In the wake of losing Alexander Mattison to a season-ending neck injury, the Dolphins moved quickly to add running back depth ...

With Alexander Mattison done for the season, the Dolphins are adding some running back depth. Read PFR for more.

Dolphins' McDaniel updates state of the team in a Zoom session from Detroit on Tuesday. Miami and the Lions practice ...

The Dolphins immediately got to work on finding new running backs this preseason amid Alexander Mattison’s season-ending ...

The Miami Dolphins indeed weren't done adding to their running back. The team announced late Monday afternoon it had signed eight-year veteran running back Mike ...

Free-agent running backs Mike Boone and Aaron Shampklin have signed contracts with the Miami Dolphins. The Dolphins wasted little time beefing up their running-back corps after they lost Alexander ...

The Miami Dolphins reportedly have signed two new running backs after Alexander Mattison suffered a season-ending injury.