With his famed trainer imploring him to get a knockdown, Frank “The Ghost” Martin rallied late and dropped Artem Harutyunyan in the 12th round to solve his more experienced opponent, capturing a close but unanimous decision in the toughest fight of Martin’s career in a WBC Lightweight Title Eliminator on Saturday on SHOWTIME from The Chelsea at The Cosmopolitan of Las Vegas in an event presented by Premier Boxing Champions. Martin (18-0, 12 KOs) had to gut through what he described as an off performance against Harutyunyan, a previously undefeated Olympic bronze medalist from Germany who traveled to the United States for the first time in his professional career and fought aggressively and confidently. Still, with his promoter and stablemate Errol Spence Jr. cheering him on from ringside, Martin won by scores of 114-113, 115-112 and 115-112 and nearly closed the left eye of Harutyunyan as Martin’s supreme stamina and relentlessness allowed him to finish strong. “I just knew I wasn't