Los Angeles is suddenly staring at a much different offensive line picture after center Tyler Biadasz suffered a torn ACL and additional damage to his left knee during Tuesday’s joint practice with the San Francisco 49ers.
The Chargers said Wednesday morning that Biadasz is out indefinitely and is still going through the process of gathering more medical opinions after imaging on Tuesday. NFL Network’s Ian Rapoport and ESPN’s Adam Schefter reported that testing revealed structural damage to the ACL along with other injuries to the left knee, and that Biadasz will consult additional specialists before a treatment plan is set. Mike Garafolo later said on Good Morning Football that the injury involves multiple damaged ligaments and should be viewed as a long-term absence, though testing was still continuing and a full-season loss had not been confirmed.
The injury occurred when 49ers defensive tackle Sebastian Valdez fell into Biadasz’s lower body, according to NFL.com. Biadasz was unable to put weight on the leg, and trainers spent close to five minutes working on him before he was lifted onto a medical cart, per ESPN.
As he was taken off the field, quarterback Justin Herbert and several teammates came over to check on him. One witness said Biadasz looked visibly frustrated and slapped the cart while trainers helped him onto it.
For a Chargers line that was supposed to be a strength, this is a brutal hit. Biadasz signed a three-year, $30 million deal in March after leaving the Washington Commanders, with the idea that he would stabilize the middle of the front.
He brought a track record of reliability with him, having made 15-plus starts in each of his last five seasons between Dallas and Washington. He also earned a Pro Bowl selection with the Cowboys in 2022.
That kind of durability was a big part of why Los Angeles wanted him. The Chargers have been dealing with offensive line injuries for years, and this one lands in the middle of that same storyline.
Left tackle Rashawn Slater tore his knee during last year’s training camp and missed the season. Right tackle Joe Alt dealt with a recurring ankle injury that cost him 11 games and eventually led to surgery.
Herbert still carried the Chargers to the playoffs in 2025 despite those issues, only for the same problems to show up again in a Wild Card loss to the New England Patriots.
Now the next question is who steps in at center. Rookie second-round pick Jake Slaughter is the leading candidate, even though he had been working mostly at left guard during camp.
General manager Joe Hortiz spent draft capital on interior depth this spring to help protect against exactly this kind of setback, taking Slaughter in the second round and also adding Logan Taylor and Alex Harkey on Day 3. Head coach Jim Harbaugh has already expressed confidence in Slaughter and fellow rookie Travis Burke if the Week 1 lineup needs to shift.
The Chargers and 49ers are set to play Thursday in a preseason game at SoFi Stadium, where Herbert and other starters are expected to play a series. That game will offer the first look at how Los Angeles handles the loss of Biadasz up front.
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