A scary head injury in Week 15 now clouds Tyquan Thornton’s late-season momentum and his rising free-agent stock.

The Chiefs and Chargers brawled after a helmet-to-helmet hit to Tyquan Thornton who lay motionless on the ground.

Early in the fourth quarter, , with Los Angeles up three but Kansas City driving, the Chiefs and Chargers got into a scuffle ...

Chargers safety Tony Jefferson was ejected from Sunday's game against the Chiefs for a helmet-to-helmet hit against Tyquan ...

Thornton (concussion) won't practice Wednesday, Matt McMullen of the Chiefs ' official site reports.

Los Angeles Chargers safety Tony Jefferson was ejected for unnecessary roughness after a helmet-to-helmet hit on Kansas City ...

The safety was ejected for the fourth-quarter hit he laid on Thornton that left the Chiefs receiver down on the field and ...

Referees miss a seemingly obvious pass interference call against the Chargers on Chiefs receiver Tyquan Thornton in pivotal ...

The Kansas City Chiefs’ season continues to fall apart as an injury to a key receiver leaves them more shorthanded than expected.

Los Angeles Chargers safety Tony Jefferson flips off Chiefs fans after being ejected for a big hit on Tyquan Thornton.

Chargers safety Tony Jefferson was ejected from Sunday's game for a hit on Chiefs wide receiver Tyquan Thornton that Chargers ...

Early in the fourth quarter, Kansas City faced third-and-5 on its own 49-yard line, while trailing 16-13. Patrick Mahomes dropped back and unleashed a dart that landed in the hands of receiver Tyquan ...