Box lacrosse 1998, the NLL entered into the Canadian market for the first time with the Ontario Raiders. Although 5 of the league's 9 teams are based in American cities, more than two-thirds of the players are Canadian. During play, a team consists of six players: a goaltender and five "runners". A runner is any non-goalkeeper position player, including forwards, transition players, and defenders. Runners usually specialize in one of these roles and substitute off the field when the ball moves from one end to the other. When the sport originated teams played with six runners. However, in 1953 the sixth runner,
Canadian University Field Lacrosse Association Referee-in-Chief. Only current students registered at their respective universities with a full course load are deemed eligible to play in CUFLA competitions. Players who have played professional field lacrosse (such as Major League Lacrosse) are prohibited from playing in CUFLA. However, players who play professional box lacrosse (such as the National Lacrosse League) are eligible to play. Throughout the years, the league has seen many current and former NLL players scattered throughout various teams. Many current and former players have met with a great deal of success representing their countries or playing professional lacrosse in the National Lacrosse League and