The Lotte Marines are attempting to beef up their sluggish batting, announcing Tuesday they had signed with former Rakuten Eagles slugger Wily Mo Pena.Pena, who could join the team as early as next week, has agreed to a deal reportedly worth $300,000 (roughly 33 million yen). Pena was with the Cleveland Indians in spring training on a minor league contract but was released before the start of the season.The Marines are currently last in the Pacific League. Their 158 runs and 27 home runs are fewest in Nippon Professional Baseball.The Dominican was named the PL's top designated hitter in his…READ FULL ARTICLE