Who was the meanest or dirtiest player ever to play for the NFL's Kansas City Chiefs?

This one is easy. It has to be Fred "The Hammer" Williamson. "During his time with the Chiefs, Williamson became one of football’s first self-promoters, coining the nickname “The Hammer” — because he used his forearm to deliver karate-style blows to the heads of opposing receivers. Prior to Super Bowl I, he garnered national headlines by boasting that he would knock Green Bay Packers starting receivers Carroll Dale and Boyd Dowler out of the game, stating “Two hammers to (Boyd) Dowler, one to (Carroll) Dale should be enough”.[1] His prediction turned out to be ironic, because Williamson himself was knocked out of the game in the fourth quarter, his head meeting the knee of Packer running back Donny Anderson. Williamson finished his eight-season NFL/AFL career in 1967 with 36 interceptions, which he returned for 479 yards and 2 touchdowns, in 104 games."