As of 2023, it consists of 29 teams: 26 in the United States and 3 in Canada. The league has played since 1996. Each year, it plays a league which determines entry into the playoffs.
In 2023, it comprises 29 teams: 26 in the United States and 3 in Canada. The league has been active since 1996. Each year, it conducts a competition that determines playoff qualification.