Former Lineal middleweight world champion Canelo Alvarez vacated his alphabet title on Wednesday .
Former Lineal middleweight world champion Canelo Alvarez said he still wants to finalize a fight with unified titleholder Gennady Golovkin , which looms as the biggest fight in boxing .
Former Lineal middleweight world champion Canelo Alvarez vacated his alphabet title on Wednesday but said he still wants to finalize a fight with unified titleholder Gennady Golovkin , which looms as the biggest fight in boxing .