Box lacrosse is typically penalized with expulsion and suspensions. In 1990, when the Six Nations created the new Mohawk lacrosse league, fighting was specifically targeted as unacceptable. Violators were ejected from the game in which the altercation occurred and given a minimum three game suspension. Box lacrosse is the most popular version of the sport in the Czech Republic. It is also played to a marginal degree in Australia, primarily by players who have played field lacrosse. Club level box lacrosse leagues in the United States have increased the number of players exposed to the sport, including the: Baltimore Indoor Lacrosse League,
Field lacrosse ten players on the field: a goalkeeper; three defenders in the defensive end; three midfielders free to roam the whole field; and three attackers attempting to score goals in the offensive end. Players are required to wear some protective equipment, and must carry a lacrosse stick (or crosse) that meets specifications. Rules dictate the length of the game, boundaries, and allowable activity. Penalties are assessed by officials for any transgression of the rules. The game has undergone significant changes since Beers' original codification. In the 1930s, the number of players on the field per team was reduced from twelve to