Former Pittsburgh Pirate Gregory Polanco hit three solo home runs to help power the Lotte Marines to a 6-2 Pacific League win over the Seibu Lions on Wednesday. Polanco, who tied for the PL home run lead last season with 26, raised his season total to 16 at Zozo Marine Stadium east of Tokyo as the second-place Marines improved to 13-0 against the last-place Lions this season. It was the third time in three Japan seasons that Polanco has homered three times in a game. “I was in form since practice today,” Polanco said. “Everything felt good.” A native of the Dominican Republic, Polanco said he …