Tyler Biadasz Injury: Chargers ACL Not Promising

The Tyler Biadasz injury is the Chargers' first real gut punch of camp, and Jim Harbaugh is not dressing it up. After Thursday's preseason game, the head coach told Chargers.com the veteran center sustained an ACL injury to his left knee in Tuesday's joint practice with the San Francisco 49ers. Biadasz had imaging later Tuesday and is gathering more opinions. Harbaugh's line: the team will "make a decision if that's a season-ending thing." Then the part that landed. "It doesn't look promising but we're not putting a label on it right now," he said.

ESPN's Adam Schefter and NFL Network's Ian Rapoport reported Wednesday that Biadasz is out indefinitely after damage to the ACL plus additional injuries to the same left knee. Sources told ESPN he went down when 49ers defensive tackle Sebastian Valdez fell into his leg on an 11-on-11 snap, stayed on the ground nearly five minutes, and left on a cart. The official Chargers note on Aug. 19 already had him gathering additional opinions. Friday's Harbaugh update just made the picture colder.

Tyler Biadasz injury: what Harbaugh actually said

Harbaugh is leaving a sliver of daylight. Chargers.com quoted him saying they are not labeling it season-ending yet. That matches the club's Aug. 19 statement that Biadasz is still collecting second opinions. The MRI already happened. The next doctors' visits are about whether this is a full tear, how much else is damaged, and whether there is any world where he plays in 2026.

The Tyler Biadasz injury timing is brutal because Los Angeles just paid him to be the answer at center. NFL.com's Kevin Patra reported in March that the Chargers agreed to a three-year, $30 million contract, with Rapoport, Mike Garafolo, and Tom Pelissero first on the terms. ESPN said he signed in March after Washington released him in February in a cap move, and that he was the biggest piece of general manager Joe Hortiz's interior-line overhaul. ESPN's recap: 28 years old, 31 starts over two seasons in Washington, a fourth-round pick by Dallas in 2020 who started all 49 games he played for the Cowboys, and a Pro Bowl after 2022.

Who snaps if Tyler Biadasz is out?

Rookie Jake Slaughter already took over. Chargers.com said the second-round pick from Florida slid in during Tuesday's joint practice and started Thursday night against the 49ers. Harbaugh, asked if he is comfortable with Slaughter as the 2026 starter, did not hedge. "Yeah," he said. "Every time he's been in a game, every time he's had to go in there, he's a football player." He added Slaughter's processing, athleticism, and strength are "all plus-plus." Slaughter played 51 games and made 33 starts at Florida, all at center. Hortiz called him a "blue star" in the pre-draft process, Chargers.com reported.

Slaughter told the team site he felt terrible for Biadasz and that the room took care of him once he had to play. That is the depth-chart reality. August roster news does not wait: Seattle just added Trevon Diggs on a one-year deal, and Tampa Bay locked up Vita Vea on an extension. Los Angeles may not get that luxury at center if the second opinions confirm what Harbaugh already sounds like he expects.

Tyler Biadasz injury FAQ

What is the Tyler Biadasz injury? An ACL injury to his left knee, plus additional damage, suffered Tuesday in a joint practice with the 49ers, per Chargers.com, ESPN, and NFL Network. He is out indefinitely and gathering more opinions.

Is Tyler Biadasz out for the season? Harbaugh told Chargers.com it "doesn't look promising" but the club has not officially labeled it season-ending. A decision is still coming.

Who is the Chargers' starting center if Biadasz is out? Rookie Jake Slaughter started Thursday and has Harbaugh's backing, per Chargers.com. He was drafted as a center at Florida and had been working at left guard before the injury.