PR Best Boxing puts on a show tonight in San Juan, Puerto Rico headlined by two WBO title bouts.

WBO Light Flyweight Championship, 12 rounds
Ivan Calderon: 107.4 lb
Rodel Mayo: 107.3 lb

WBO Super Feather Championship, 12 rounds
Roman Martinez: 129.4 lb
Feider Viloria: 129.2 lb

Super Flyweights, 10 rounds
Juan Mercedes: 115.2 lb
Robert DaLuz: 116.5 lb

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Boxing News Tags: Feider Viloria, Ivan Calderon, Juan Mercedes, Robert DaLuz, Rodel Mayol, Roman Martinez, Weigh-In