John Hathaway has a chance to reenter OKTAGON’s €1 million tournament after he withdrew due to injury. Sunday, the promotion announced Hathaway (18-2) will fight Lukasz Siwiec (8-2) at OKTAGON 44 , an event scheduled for June 17 at Rudolf Weber-Arena in Oberhausen, Germany. The welterweight fight will be an alternate bout in the €1 million Tipsort Gamechanger tournament. Hathaway, 35, returned from an eight-and-a-half-year layoff this past October when he defeated Andre Ricardo by unanimous decision at OKTAGON 36