Original: Michael Spinks (born July 13, 1956 in St. Louis, Missouri) is a retired American boxer. Nicknamed Jinx, which spawned the nickname of his right hand: The Spinks Jinx, he is the brother of former heavyweight champion Leon Spinks, and uncle of Cory Spinks, a former welterweight and IBF Light middleweight champion.
Simplified: Michael Spinks is the brother of heavyweight champion Leon Spinks.