Ricardo Humberto Ramírez vs. Rolando Yury Calderón
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Ricardo Humberto Ramirez 213 lbs beat Rolando Yury Calderon 212 lbs by KO in round 4 of 12
- Date: 2016-05-07
- Location: Santa Cruz, Argentina
- Referee: Mariano Jose Riva
- for Ramirez' WPC world heavyweight title
- for vacant WBG world heavyweight title