Tyler Biadasz Suffers ACL Damage and Additional Knee Injuries in Joint Practice

Tyler Biadasz, center for the Los Angeles Chargers, suffered ACL damage along with additional knee injuries during joint practice, per Ian Rapoport. This is a serious, likely season-ending injury — and depending on surgical findings, potentially a multi-ligament event.

The ACL involvement is CONFIRMED by reporting, though the grade and the full scope of associated structural damage are not yet publicly disclosed. "Additional knee injuries" is the critical phrase here: multi-structure knee trauma (ACL plus collateral ligament, meniscus, or PCL involvement) is common in the contact mechanics of joint practice and would place this into a significantly more complex surgical and recovery picture than an isolated ACL tear. The exact injury pattern is INFERRED as multi-structural based on the reported language; imaging and surgical evaluation will determine the full picture.

This injury occurred on 2026-08-18, one day before this report. That means Biadasz is roughly one day into what is a very long road.

Assuming surgical reconstruction is required — which is the expected pathway for an ACL tear with associated structural damage at this level — the literature floor for ACL reconstruction alone sits at 9–12 months (T1 evidence, high confidence). That floor does not shrink as rehab progresses. If additional structures require surgical repair, the window widens materially: multi-ligament knee reconstruction carries a 12–24 month RTP window with T3 evidence, reflecting high variability in published timelines. Until the surgical report clarifies which structures were repaired and by what procedure, OTM applies a range anchored to the broader end of that spectrum.

The watch signal here is the surgical report. Procedure type — isolated ACL reconstruction versus multi-ligament repair — is the single biggest variable in projecting Biadasz's return. No team timeline has been reported, and none is expected to be meaningful until post-surgical assessment is complete.