The Red Sox, with 92 victories and a playoff berth in their back pocket, have proven to be a deep and well-rounded team this season, particularly since general manager Theo Epstein added some important midseason reinforcements. But someone must be their most valuable player, right? Is it versatile Kevin Youkilis? Slugging Jason Bay? Or one of the stalwarts for the pitching staff? We'll leave it up to you to decide, but here is an expanded list of potential nominees.