The Miami Dolphins struggled to convert short-yardage situations last season. New Dolphins running back Alexander Mattison ...

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 ...

The Dolphins signed running back Alexander Mattison in the free agency window. A star at Boise State, Mattison was drafted in the third round by the Minnesota Vikings, spending five years there before ...

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

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 agreement told The Associated Press.

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.

The Miami Dolphins were one of the worst short-yardage ... 1 run success rate was exceeded by only the Patriots. Enter Alexander Mattison, free agent running back addition. Pro Football Focus ...