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The Dolphins have high hopes for rookie running back Lamar Miller, but they needed to sign him to a contract before they could see them come true.

That’s done. A league source tells PFT that the team has agreed to terms on a contract with their fourth-round pick. Miller, who is making the short trip across town from the University of Miami, signed the standard four-year deal for players drafted after the first round.

The Dolphins traded up to the 97th overall pick to select Miller and they intend to use him as more than just a running back. He could be an option on punt returns and the team also envisions using him as a receiver out of the slot. Miller ran a 4.4 40 at the Combine and there have been reports that he’s been using his speed well during OTAs in Miami. If he keeps it up, he could knock Daniel Thomas down a peg on the depth chart behind Reggie Bush.

With Miller in the fold, the Dolphins have signed six of their nine draft picks.