The fans are the lifeblood of sport. Whether their team is winning or losing, they are at the games, dressed in their club's apparel, faces painted, cheering wildly. Or there are 20,000 empty seats.
Some teams just do not have great fan bases. Others are well-supported but the fans just do not care about the team.
With that in mind, here is a rundown of the most emotional fan bases in Major League Baseball, ranked by loyalty, commitment, attitude and general fan craziness.