21 I think.
Yerlikaya was an old hand when he won at 20, didn't he win worlds at 17?
yerlikaya just turned 20 won gold in 96. amazingly he won the sr. worlds at 17 one year after winning cadet worlds.
b. satiev won the olympics at 20 and his first world title at 19.
Who was the oldest to win an Olympic or World Championship?
Shaban Terstena Youngest Olympic wrestling champion