Newly-crowned WBO minimumweight champion Oscar Collazo makes the first defense of his belt against Filipino contender Garen Diagan at Coliseo Roberto Clemente in San Juan, Puerto Rico.
2017
2016
1998
2023
1969
1979
2004
1988
2019
1951
2014
1931
2021
1927
2022
2020
2013
