Complex sentence: Although headgear is not required except for Florida which made it mandatory for all girls lacrosse players to wear a head gear it is considered to new lacrosse players due to the risk of head injury caused by the round rubber ball used in the sport.
Split into simpler sentences: Although headgear is not required except for Florida where its mandatory for girls lacrosse players to wear a head gear it is considered to new lacrosse players due to the risk of head injury. This caused by the round rubber ball used in the sport.