Knockdown
A knockdown occurs when a fighter touches the floor of the ring with any part of the body other than the feet following a hit. The term is also used if the fighter is hanging on to the ropes, caught between the ropes, or is hanging over the ropes and is unable to fall to the floor and cannot protect themselves. A knockdown triggers a count by the referee; if the fighter fails the count, then the fight is ended as a K.O.
A flash knockdown is a knockdown where the fighter hits the canvas but recovers quickly enough that a count is not started.
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