"Triumphant wins, gut-wrenching losses, last-second shots, underdogs, competition, and loyalty--it's fun to be a fan. But when a football player takes a hit to the head after yet another study has warned of the dangers of CTE, or when a team whose mascot was born in an era of racism and bigotry takes the field, or when a relief pitcher accused of domestic violence saves the game, how is one to cheer? Welcome to the club for sports fans who care too...