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 person spoke to the AP on condition of anonymity because the deal had not been finalized.

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

A highly anticipated free agency for the Dolphins began on Monday, and it has been an active one for them despite a quiet first couple hours. There have already been numerous signings, re-signings, and departures for Miami.

In our latest mock, the Combine and free agency shake up the first round of the 2025 NFL Draft. But the Miami Dolphins stick to their plan.

The Miami Dolphins must win. But without much salary cap space, they're proceeding slowly and wisely in the first wave of free agency.

Amid a flurry of moves elsewhere in the NFL, including a blockbuster deal that sent former Miami Dolphins first-round pick Laremy Tunsil from the Houston Texans to the Washington Commanders, the Dolphins sat on their hands for the majority of the day.