Alexis Argello mentored Romn Gonzlez, who became first boxer to win world titles in four weight classes.
 He is the first boxer from Nicaragua to win world titles in four weight classes, having surpassed his mentor, idol, and former three-weight world champion, the late Alexis Argello. 
Alexis Argello (April 19, 1952  July 1, 2009) was a Nicaraguan professional boxer who competed from 1968 to 1995, and later became a politician. 
