If his overnight PCR test comes back negative he will come off the COVID list Tuesday, the source said.
Darious Williams and David Long remain the only cornerbacks on the roster with experience.
Higbee’s absence will be felt at tight end after the Rams entered the season already thin at the position.
Michel started and rushed for a season-high 121 yards and a touchdown on 24 carries in a rout of the Jacksonville Jaguars on Dec.
Tackle Joe Noteboom, who has played a key role as a backup at left tackle, is expected to start in place of Havenstein.