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 ...

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

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

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 ...

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