Baseball is a unique team sport. Success involves contributions from a nine- or 10-player lineup every game. One player can’t win a World Series by himself. It requires teamwork and chemistry, although having a superstar or two helps.Each team has a star that excites fans throughout the season. More than almost any other sport, the fan favorite is important in baseball. He becomes the face of the franchise, the guy who delivers through thick and thin.These are the most valuable players on every major league team.