PITTSBURGH -- Running back James Conner left Heinz Field with his right arm in a sling following Monday night's 27-14 win against the Dolphins.
Pittsburgh Steelers coach Mike Tomlin said Conner has an AC joint injury and is being evaluated. He expects to have an update on Conner at his Tuesday press conference.
Conner was injured near the two minute warning after rushing for 145 yards on 23 carries and scoring a touchdown. With the return of fullback Roosevelt Nix, the Steelers run game got going for 158 yards, averaging 5.