Pittsburgh Steelers running back James Conner suffered an AC joint injury in his shoulder during the team's 27-14 win over the Miami Dolphins Monday night, head coach Mike Tomlin told reporters.
Tomlin did not offer further specifics but will update on the severity on Tuesday.
Conner excelled in the Steelers' matchup with the winless Dolphins. The 24-year-old ran for 145 yards and a touchdown on 23 carries. Conner didn't appear to suffer the injury until the fourth quarter, and Chris Adamski of TribLive.com relayed after the game that Conner's "right shoulder was heavily wrapped and iced and he held that arm gingerly.