Alexis Argüello, also known by the ring name El Flaco Explosivo, was a Nicaraguan professional boxer and politician. As a boxer he was a three-weight world champion, having held the WBA featherweight title as well as the WBC super featherweight and lightweight titles. He has regularly been cited as one of the greatest fighters of his era, having never lost any of his world titles in the ring, instead relinquishing them each time in pursuit of titles in higher weight...
(wikipedia)