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,
Box lacrosse by tall. These nets are significantly smaller than field lacrosse nets which measure wide by tall. A traditional game played under the rules of the Canadian Lacrosse Association consists of three periods of 20 minutes each (similar to ice hockey), with the teams changing ends each period. The NLL plays four 15-minute quarters rather than three periods. If the game is tied at the end of regulation play, a 5-minute overtime (15 in NLL) can be played. Overtime may or may not be sudden victory, depending on the league. Each period, and after each goal scored, play is restarted with