Oct 24 - It is no coincidence that the return of Buster Posey to the San Francisco Giants lineup after missing most of last season with an injury has led to their return to the World Series. The 25-year-old catcher might be one of the youngest and smallest players on the Giants but there is no doubt that he is the heartbeat of a team just four wins away from their second Major League Baseball (MLB) championship in three seasons. In his 2010 rookie season, Posey played an integral role in helping the Giants win their first World Series in almost half a century. ...