What happened: Garrett will undergo arthroscopic knee surgery and is headed to injured reserve, according to Tom Pelissero, citing sources.
Why it matters: The absence interrupts the Rams' plans after adding Garrett and Donald to their defense.
By the numbers: Garrett recorded zero tackles in his Rams debut. [The Washington Post](https://www.washingtonpost.com/sports/nfl/2026/09/11/rams-49ers-myles-garrett/1dcdd0d6-ada4-11f1-b498-8697f35a6743_story.html)
What to watch: Watch for the Rams' roster move and Donald's game designation ahead of the Denver matchup.