With the identity crisis they face, multi-sport fields could spend the entire playing season on a therapist's couch. At the very least, they could wind up in a sports-medicine clinic from over-use injuries. One day, they're hosting lacrosse. Later that same day, it might be soccer or field hockey. The next time, maybe the field is used for rugby, flag football, Ultimate football, or some other sport. These fields are the multi-tasking marvels of the park system, and as such, they get plenty of use.