Many popular phrases have their roots in sports. For example, the cliché “there is no ‘i’ in team” comes from the idea that a cohesive team of players is more likely to win games than a collection of individual superstars. Players are told to focus on the team’s overall success rather than their individual performance. The corollary to this idea is that stars who are high maintenance cause unrest in locker rooms which, in turn, causes poor performance....