Though he was imprisoned for the crime he did not commit, Dewey Bozella is uniquely an undefeated professional boxer. Though he was in prison for 26 years according to Eurosport he was a model prisoner who earned his high school equivalency diploma, as well as a bachelor’s degree from Mercy College and a master’s from the New York Theological Seminary. His remarkable story caught the attention of U.S President Barack Obama who made a telephone call to congratulate him. 

For more read the following sources:

http://uk.eurosport.yahoo.com/16102011/58/wrongly-convicted-bozella-wins-pro-boxing-bout.html
http://abcnews.go.com/US/dewey-bozella-wrongfully-convicted-man-wins-pro-boxing/story?id=1474710
http://www.nytimes.com/2009/10/29/nyregion/29towns.html