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

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 making an addition to their running back room. The Dolphins agreed to a one-year deal with former Minnesota Vikings and Las Vegas Raider ...

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 ...

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 added a power-running veteran to their running back room on Thursday, agreeing to a deal with Alexander Mattison ... each of his previous five were spent in Tennessee ...

The Dolphins are signing free agent running back Alexander Mattison, Jordan Schultz of Fox Sports reports. Miami lost Raheem Mostert to the Raiders and replaced him with a former Raiders running back.

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 were one of the worst short-yardage run ... run success rate was exceeded by only the Patriots. Enter Alexander Mattison, free agent running back addition.