By pushing young children into team sports for which they are not developmentally ready, we rule out forms of play that once encouraged them to learn skills of independence and creativity. Instead of learning on their own in backyards, fields, and on sidewalks, children are only learning to do what adults tell them to do. Moreover, one study found that many children who start playing soccer at age four are burned out on that sport by the time they reach adolescence, just the age when they might truly enjoy and excel at it.