Dock Ellis

Ellis threw a no-hitter on June 12, 1970, and later stated that he accomplished the feat under the influence of }} Ellis was the starting pitcher for the National League in the All-Star Game in 1971. Joining the Yankees in 1976, he helped lead the team to the American League pennant, and was named the Sporting News Comeback Player of the Year Award.
Ellis was an outspoken advocate for the rights of players and African Americans.
He had a substance abuse problem, and acknowledged after his retirement that he had never pitched without the use of drugs. After going into treatment, Ellis remained sober and devoted the remainder of his life to counseling others with substance use disorder in treatment centers and prisons. He died of a liver ailment at age 63 in 2008. Provided by Wikipedia