Scott is back in playing shape after rehabbing a partial meniscus tear he sustained before the start of the regular season, Jordan Schultz of Fox Sports reports.
Scott (undisclosed) was placed on the Steelers' practice squad injured list Sunday.
The Steelers signed Scott to their practice squad Friday, Teresa Varley of the team's official site reports.
The Rams released Scott on Sunday, Jordan Schultz of BleacherReport.com reports.
Scott (leg) carried the ball 11 times for 32 yards in Saturday's preseason finale against the Texans.
Head coach Sean McVay told reporters Thursday that Scott is dealing with a "little bit of a leg contusion," Cameron DaSilva of USA Today reports.
Scott agreed to terms on a one-year contract with the Rams on Tuesday, Adam Schefter of ESPN reports.
Scott rushed three times for five yards in Sunday's 27-10 loss to the Giants.
Scott rushed once for three yards and lost a fumble in Monday's victory over the Giants.
Scott was almost exclusively limited to special teams Monday against the Seahawks, seeing the field for just a single offensive snap.