Rey Briones is one of the popular breeders in the Philippines. He gained his popularity when he became a champion in World Slasher 2003. Many people surprised because of his championship because during that time, only the big boys who were winning in WSC. Not only that, he becomes a champion again in WSC in two consecutive years (2011 and 2012).
Ang World Slasher Cup ang itinuturing na kauna-unahang international derby sa Pilipinas. Dalawang beses itong isagawa sa loob ng isang taon, kada-buwan ng Mayo at Hunyo. Pinamumunuan ito ni Nene Araneta na kilala ‘di lamang sa pagiging mahusay na business man kundi pati na rin sa kanyang pagkahilig sa manok.