Goaltender (box lacrosse) long passes to teammates that are attempting to breakaway on unsuspecting defenders. Box lacrosse goaltenders are also encouraged to be aggressive stick checkers around the ball and ferocious cross-checkers when needed (cross-checking is legal in box lacrosse). If a goaltender leaves the crease with possession of the ball, opponents are allowed to cross-check the goaltender as long as there is no attempt to injure. Box lacrosse goalies play in front of a four by four foot net at most levels, unlike a field goalie who plays in front of a six by six net. At the National Lacrosse League, Major,
Box lacrosse (Senior B national championship) the Founders Cup (Junior B national championship) all under box lacrosse rules. Briefly in 1939, a professional box lacrosse league started up in California, called the "Pacific Coast Lacrosse Association". This four team league also folded shortly after opening. Professional box lacrosse did not return to the United States again until 1968 when the Portland Adanacs and Detroit Olympics franchises played in the National Lacrosse Association, a circuit that folded after one summer season. A new professional indoor lacrosse league was created in the 1970s with the formation of the original National Lacrosse League. This league