Aaron Donald is back, and that changes the entire picture for the 49ers before a single snap of Week 1.
The 10-time Pro Bowl defensive tackle has officially unretired and will rejoin the Los Angeles Rams, a move that lands with immediate force in the NFC West and sends San Francisco into its opener with a fresh problem to solve. The 49ers and Rams are set to travel on a 17-hour flight to Melbourne, Australia, for the season opener, and Donald’s return gives Los Angeles a major boost while putting more pressure on John Lynch and Kyle Shanahan to adjust.
For San Francisco, the headline is obvious: Aaron Donald vs. Deebo Samuel is back on the menu.
That rivalry has been one of the league’s most entertaining side stories for years, dating to Samuel’s rookie season. It includes Donald’s well-known “Who?”
response when asked about the receiver, along with Samuel’s own dismissal of Donald and his habit of trolling the Rams on social media after 49ers wins. Samuel and San Francisco have usually had the better of those regular-season meetings, but this version of Donald is a different kind of challenge - rested, reloaded, and back in the middle of a division fight.
The bigger issue for the 49ers may be what Donald’s return means up front.
Los Angeles already added reigning Defensive Player of the Year Myles Garrett through a trade earlier this offseason, and putting Garrett on the edge with Donald inside creates a front that can wreck protection plans in a hurry. That’s especially bad news for a San Francisco offensive line dealing with uncertainty at left guard.
To help absorb the pressure, the 49ers may have to look at free-agent depth, with Laken Tomlinson and Daniel Brunskill mentioned as possible options. Brunskill, in particular, has history working against Donald from his time in the Bay.
The contrast between the two defensive lines is stark. The Rams now have an elite core built around Garrett and Donald, with Kobie Turner and Byron Young also part of the picture. The 49ers, meanwhile, are trying to get through physical issues of their own, with Nick Bosa dealing with knee tendinitis after last year’s ACL tear, rookie Mykel Williams uncertain for Week 1, and Alfred Collins still working through preseason adjustment periods.
Lynch addressed Donald’s comeback on Monday and didn’t hide the respect San Francisco has for the move.
"Yeah, I mean, the guy’s different, right? He’s an exceptional player, one of the greats," Lynch told reporters.
"I do subscribe to that. I think we’re pretty good too.
They got better, certainly, with him deciding to come out of retirement... I ran into him in a hotel somewhere a while back and we had some fun chatter back and forth.
Never thought he’d do it, but he’s doing it. And so, we better get ready for it."
There is still one wrinkle: Donald may not even play in Week 1. Rams head coach Sean McVay said the team will watch his conditioning closely before deciding how many snaps he gets.
"Oh, yeah, absolutely. [Donald not playing in Week 1] could be a possibility," McVay said.
"I wouldn't rule anything out yet. I think sometimes when you put unnecessary parameters or guidelines on something it can skew things."
In Other News...
49ers Now Face A Bigger Jed York Problem Than The Arrest
Jed Yorks recent legal trouble has already put the 49ers in an awkward spot, but the more immediate concern inside the organization may be what happens around the business side of the franchise if his presence stays limited. General manager John Lynch has said the team is preparing for possible league discipline while football operations continue under executive Al Guido, a setup that keeps the day-to-day work moving even as the owners status hangs over the building.
For now, the 49ers say the locker room and team activities have not been affected, which is the kind of answer clubs tend to give when they want the football to stay separate from everything else. Still, this is not just about the arrest itself. It is about how much of Yorks role can be carried out from a distance, how the league responds, and whether a franchise used to having its owner close at hand can keep functioning smoothly if that becomes the new normal. [Read more 🡒]
49ers Week 1 Could Hinge On A Rams Discipline Decision
The Rams enter their international opener against the 49ers with two notable players still available on paper, even as the league continues to weigh possible discipline. Puka Nacua is facing a civil lawsuit alleging physical assault and battery, and Alaric Jackson remains in the same waiting pattern, with neither player placed on the commissioners exempt list ahead of Week 1.
For San Francisco, the timing matters almost as much as the ruling itself. The NFL has shown before that suspensions can land in early September, but there has been no official announcement yet, leaving the 49ers to prepare for a division game with one more layer of uncertainty than usual. [Read more 🡒]
49ers Australia Plan Could Create A Huge Rams Debate
The 49ers trip to Australia for their 2026 season opener is already shaping up to be more than just a long-haul curiosity. San Francisco and the Los Angeles Rams are set to open the NFL regular season in Melbourne on Sept. 10, and the contrast in travel plans has become part of the conversation before either team boards a plane.
The Rams intend to arrive the day before the game and leave immediately afterward, while the 49ers are planning to get there several days early to adjust to the time difference. That difference has prompted some outside debate about which approach is smarter for handling jetlag, with neurologist W. Christopher Winter suggesting the Rams shorter stay could actually be the better way to manage the trip. [Read more 🡒]
