Conversation so far:
When did Rubin Carter start boxing?
After his release from prison in September 1961, Rubin Carter became a professional boxer.
Why was Rubin Carter in prison?
In 1966, police arrested Rubin Carter and friend John Artis for a triple homicide committed at the Lafayette Bar and Grill in Paterson, New Jersey.
Who did Rubin Carter fight?
After Rubin Carter defeated a number of middleweight contenders—such as Florentino Fernandez, Holley Mims, Gomeo Brennan, and George Benton—the boxing world took notice.
Did Rubin Carter win any awards?
Rubin Carter received the Abolition Award from Death Penalty Focus in 1996.

Question: Did he have any failures?
Self-contained rewrite: Did Rubin Carter have any failures?