Bruss signed to the Rams' practice squad on Wednesday.
The Rams waived Bruss on Tuesday, Cameron DaSilva of USA Today reports.
Bruss (knee) has been participating at the Rams' OTAs this week, Jourdan Rodrigue of the Athletic reports.
Bruss suffered tears to his ACL and MCL on Saturday and is out for the season, Jourdan Rodrigue of The Athletic reports.
Bruss left the field with an apparent knee injury during the Rams' 24-20 preseason loss vs. Houston on Friday, Aaron Wilson of ProFootballNetwork.com reports.