> Behavioral issues in young males without a physical outlet for aggression? There are so many other sports though. Soccer can be played without heading (Barce

> Behavioral issues in young males without a physical outlet for aggression? There are so many other sports though. Soccer can be played without heading (Barcelona under Pep Guardiola were acclaimed for playing it that way), and there's flag football, basketball, field and ice hockey, lacrosse, wrestling, karate, judo, handball, ultimate Frisbee.