Complex sentence: Gilberto Roman (November 29,1961-June 27,1990) was a Mexican boxer who would become a World Champion as a Super Flyweight (115 lbs) and be considered by many fans to be one of the great champions in this division.
Split into simpler sentences: Gilberto Roman (29 November 1961--27 June 1990) was a Mexican boxer who became World Super flyweight Champion (115 lbs). He is considered by many fans to be one of the great champions in this division.