San Francisco absorbed a season-ending loss up front before kickoff when Alfred Collins went on injured reserve with a knee injury, and tight end Jake Tonges left with a knee issue coach Kyle Shanahan called concerning afterward — the kind of attrition that matters more in Week 2 than it did against a Rams team missing Aaron Donald entirely. Los Angeles scratched a long list of names including CJ Daniels, Tutu Atwell and third quarterback Ty Simpson, and the number on this one had already drifted toward San Francisco before the plane landed in Melbourne.
The marquee arrival everyone in Los Angeles wanted to see was Myles Garrett, the reigning Defensive Player of the Year making his Rams debut without Donald alongside him — and he finished the night with no recorded tackle or sack, saying afterward that the knee he's playing on isn't fully healthy. Whatever push the Rams' front line was supposed to provide never showed up, and Kyren Williams and Blake Corum combined for just 95 rushing yards on a day Los Angeles needed one of them to break something open.
Deebo Samuel and new arrival Mike Evans instantly gave Purdy weapons who didn't need a home run to matter: Samuel caught 6 of 7 targets for 48 yards and a touchdown and added a 74-yard kickoff return, while Evans matched him target-for-target with 49 yards and a score of his own. Christian McCaffrey ground out 68 yards on just 10 carries and added another 20 through the air, giving San Francisco the 3-way workload its healthy backfield was built for.
None of it mattered without Fred Warner setting the tone on defense — 11 tackles and a pass breakup that kept Los Angeles from ever building consecutive first downs — while Quentin Lake gave the Rams their one signature defensive play, intercepting Purdy and piling up 10 tackles of his own in a losing effort. Eddy Pineiro converted 2 of 3 field-goal tries and cleaned up all 3 extra points, the kind of quiet special-teams night that matters far less when the offense is already up 2 scores.
San Francisco looks like a team that just validated its preseason form in a game that counted, while Los Angeles's perfect exhibition slate evaporated the moment the games started counting — a reminder that a 3-0 preseason and a healthy Aaron Donald are 2 very different rosters. The NFC West picture tilts hard toward the 49ers after 1 week, for whatever that's worth against a Rams team that gets its personnel back before it matters again.