The Dolphins and free agent RB Alexander Mattison agreed to terms. Here’s what to know and how he fits in Miami.

Joe Schad is a journalist covering the Miami Dolphins and the NFL at The Palm Beach Post. You can reach him at ...

The Miami Dolphins added a power-running veteran to their running back room on Thursday, agreeing to a deal with Alexander ...

The Miami Dolphins are bolstering their backfield in free agency. The Dolphins agreed to sign veteran running back Alexander ...

The Dolphins agreed to a one-year deal with former Minnesota Vikings and Las Vegas Raiders running back Alexander Mattison, Jordan Schultz of FOX Sports reported Thursday. Mattison will join a ...

Free agent running back Alexander Mattison has agreed to a one-year contract with the Dolphins, a source confirmed to ESPN.

New Dolphins running back Alexander Mattison has a history of success in short-yardage situations. Mattison has converted 81% of his short-yardage attempts into first downs. The Miami Dolphins ...

The Miami Dolphins have agreed to terms with former Las Vegas Raiders running back Alexander Mattison. Mattison is a powerful runner who will provide a change of pace from Miami's speedy backs.

Mattison is signing with the Dolphins, Jordan Schultz of Fox Sports reports. Mattison is swapping teams with Raheem Mostert, whose deal with the Raiders was reported about two hours earlier.