The Tampa Bay Rays have signed Ji-Man Choi, a second baseman who has been a valuable asset to the team since his debut in 2012. This season, he’s hit.325 with two homers and 11 RBI in 10 games. He has an impressive 1.087 slugging percentage against Cole and a 1.639 OPS. However, the Rays’ manager, Kevin Cash, has no explanation for Choi’s success. In the past 10 games, he’s hit.324 and has two home runs.