Alabama running back Jam Miller is out with an upper-body injury, forcing the Tide to rethink its offensive strategy before the season opener versus Florida State.

Alabama star running back Jam Miller is expected to miss the team's season opener against FSU on Aug. 30 after suffering an upper body injury during a scrimmage Saturday. Alabama coach Kalen DeBoer announced the injury Sunday and said Miller had a medical procedure.

Alabama running back Jam Miller suffered an upper-body injury in a scrimmage on Aug. 16. Here's the latest update on his health:

Alabama running back Jam Miller reportedly will miss the Crimson Tide's season-opening matchup against Florida State on Aug. 30 after suffering an upper-body injury in a scrimmage on Saturday, per ESPN's Mark Schlabach.

Jam Miller is out for the foreseeable future with an upper-body injury, according to Alabama coach Kalen DeBoer.

"Jam Miller suffered an upper-body injury in Saturday’s scrimmage and went in for a procedure on Saturday evening," DeBoer said in a statement. "Jam should recover fully with a timetable for his return yet to be determined.” Miller rushed for 668 yards and seven touchdowns last season. He was expected to be a major contributor on offense this year.

Senior Alabama running back Jam Miller suffered an upper-body injury during the Crimson Tide's second scrimmage of fall camp on Saturday afternoon, multiple sources told BamaCentral. The expectation is that Miller will be out multiple games. Alabama head coach Kalen DeBoer confirmed Miller's injury in a statement on Sunday morning.

Alabama is hoping to get injured running back Jam Miller back for the meat of its SEC schedule, including a late September showdown.

Alabama's running back room suffered a significant setback on Saturday after losing its projected starter to injury.