Patrick Mahomes’ most recent major injury came on December 14, 2025, when he tore the ACL in his left knee late in the Kansas City Chiefs’ Week 15 game against the Los Angeles Chargers.

Key Details

  • The injury happened in the closing minutes of the Week 15 matchup vs. the Chargers when his left knee buckled after a hit as he tried to make a play.
  • An MRI later confirmed a torn ACL in his left knee, and the team announced he would require surgery and miss the remainder of the season.
  • Reports note that surgery was performed shortly after, with rehab expected to extend into the offseason and his availability for the start of the next season uncertain.

Past Notable Injuries

  • October 2019: Dislocated right kneecap on a quarterback sneak, missing two games before returning and leading the Chiefs to a Super Bowl title.
  • January–February 2023: Played through a high right ankle sprain during the playoffs and Super Bowl, later requiring offseason treatment.
  • December 15, 2024: Suffered a left ankle sprain late in a Week 15 game, but it was a lower-grade injury and did not cost him extended time.

Quick Scoop Style Summary

  • When did he get hurt?
    December 14, 2025, late in the 4th quarter vs. the Chargers, tearing the ACL in his left knee.
  • How serious is it?
    Season-ending, with surgery completed and rehab underway; timeline for the start of next season is still in question.
  • Why is this such big news?
    Mahomes had mostly avoided long-term absences before this, playing through previous knee, toe, and ankle issues during multiple Super Bowl runs.

Information gathered from public reports and sports news on the internet and portrayed here.