In thirteen years of boxing, Crumble has fought in six weight classes, with his most notable opponents being Angel Manfredy in 1993 and Antwun Echols in 1996, both of whom went on to win regional and national championships, including challenging for world championships.
On August 7, 1997, he lost by a knockout in eight to Angel Manfredy for the WBU Super Featherweight title.
He defended the title four times, including a victory over Angel Manfredy, but lost the belt in a loss to José Luis Castillo in 2000 via majority decision.
A very good fighter, just outside of the top tier for that division at the time, he nonetheless had numerous high profile title fights with John John Molina, Arturo Gatti, and Angel Manfredy.
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