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.

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 ...

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

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

In the wake of losing Alexander Mattison to a season-ending neck injury, the Dolphins moved quickly to add running back depth Monday, signing veterans Aaron Shampklin and Mike Boone. To make room on ...

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 ...

Dolphins running back Alexander Mattison underwent season-ending neck surgery Sunday in Chicago, sources told ESPN's Adam ...

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

The Miami Dolphins lost one of their running backs for the 2025 season as Alexander Mattison was placed on injured reserve ...

Washington Commanders cornerback Mike Sainristil was named one of the most important second-year defenders in the NFL in 2025 ...

Mike Doyle, a beloved teacher, respected journalist, and dedicated volunteer, was honored by the community at his funeral ...