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

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

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

The Dolphins are signing free agent running back Alexander Mattison, Jordan Schultz of Fox Sports reports. Miami lost Raheem ...

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

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.

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 ...

Mattison makes his way to Miami following six seasons in Minnesota and Las Vegas. The Bronco great has tallied 2,790 rushing yards and 22 total scores in the NFL.

The Dolphins agreed to sign veteran running back Alexander Mattison on Thursday, according to Fox's Jordan Schultz. Mattison is only 26 but is entering his seventh season in the NFL. He's coming ...