Smith rushed twice for 30 yards and returned one punt for eight yards during Sunday's 20-15 win against the Raiders.
The Rams signed Smith off the practice squad to the active roster Wednesday.
Smith reverted to the Rams' practice squad Monday.
The Rams elevated Smith from the practice squad to the active roster Saturday.
Smith was elevated to the Rams' active roster Saturday.
The Rams elevated Smith from the practice squad to the active roster Saturday, Jourdan Rodrigue of The Athletic reports.
Smith signed with the Rams' practice squad Wednesday, Stu Jackson of the team's official site reports.
Smith signed a reserve/future contract with the Rams on Tuesday.
The Rams waived Smith on Tuesday.