WATCH: NASCAR Brawl Spirals Out Of Control As Top Drivers Throw Punches

The AdventHealth 400 NASCAR Cup Series race at Kansas Speedway on Sunday was an intense event that ultimately ended in a victory for Denny Hamlin.

However, it was the altercation between drivers Noah Gragson and Ross Chastain that has captured attention. During the three-hour race, fans witnessed numerous lead changes and a last-lap pass that secured the win for Hamlin.

But the drama continued after the race when Gragson and Chastain got into an incident that resulted in a punch being thrown, and one of the drivers getting knocked out clean, captured in a frightening viral video.