Patrick Mahomes’ most recent major injury happened late in the Chiefs’ Week 15 game against the Los Angeles Chargers on Sunday, December 14, 2025. He tore the ACL in his left knee in the final minutes of that game.
Injury details
Reports indicate the injury occurred on a late fourth-quarter play where Mahomes was tackled from behind while scrambling and his left knee buckled awkwardly. An MRI later that day confirmed a torn anterior cruciate ligament in his left knee, ending his season.
Context and impact
The injury happened in a 16–13 loss to the Chargers that also eliminated the Chiefs from playoff contention for the 2025 season. Team and media reports note that Mahomes is expected to undergo surgery and face a lengthy rehab, with his availability for the start of the 2026 season uncertain.