If Mattison - 5-foot-11, 220 pounds - can convert short-yardage plays at a rate similar to Ajayi, another former Boise State running back, Miami would sign up for it today. Mattison has succeeded in ...

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

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

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

Dolphins add running back Alexander Mattison. He has started 26 career games, including 7 for the Raiders last season.

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

Mattison is signing with the Dolphins, Jordan Schultz of Fox Sports reports.

The Miami Dolphins announced today that they have signed running back Alexander Mattison as an unrestricted free agent.

The Miami Dolphins struggled to convert short-yardage situations last season. New Dolphins running back Alexander Mattison has a history of success in short-yardage situations. Mattison has ...

Alexander Mattison has a deal in place to join the Dolphins, Jordan Schultz of Fox Sports reports. After a single season with ...

MIAMI GARDENS, Fla. — The Miami Dolphins added a power-running veteran to their running back room on Thursday, agreeing to a deal with Alexander Mattison, a person with knowledge of the ...