The Rams placed Michel on the reserve/retired list Sunday, Aaron Wilson of KPRC 2 Houston reports.
The Rams signed Michel to a one-year deal Tuesday, Jourdan Rodrigue of The Athletic reports.
Michel was waived by the Chargers on Saturday.
Michel (coach's decision) is inactive for Monday night's game against the Colts.
Michel (coach's decision) has been ruled inactive for Sunday's game against the Titans.
Michel (coach's decision) is inactive for Sunday's game against the Raiders, Jeff Miller of the Los Angeles Times reports.
Michel is inactive for Sunday's game against the Cardinals, Lindsey Thiry of ESPN.com reports.
Michel rushed for one yard on one carry and did not see any receiving targets in Sunday's Week 11 loss to Kansas City.
Michel tallied carried the ball once for two yards in the 22-16 loss Sunday to the 49ers.
Michel carried the ball once for 12 yards in Sunday's 20-17 win over the Falcons. He did not catch his only target.