( James Goyder  is the owner/editor of AsianMMA.com) Reinier de Ridder continues to dominate ONE Championship’s middleweight division. The undefeated Dutchman scored the 15th win of his career at the expense of Vitaly Bigdash on Friday in Singapore. The middleweight title fight headlined ONE 159 at the Singapore Indoor Stadium. Bigdash was looking to recapture a title he held five years ago, but lost at the hands of Aung La Nsang. De Ridder beat La Nsang twice to become the ONE Championship middleweight and light heavyweight champion