Jacksonville Armada FC made their NASL debut this season.
The defending Soccer Bowl champions were the San Antonio Scorpions, while Minnesota United FC were the defending North American Supporters' Trophy winners.
The winner of the Spring season earned one of four berths in the playoffs, known as The Championship.
The Fall season began on July 4 and ended on November 1.
The Championship, culminating with Soccer Bowl 2015, was contested by the winners of the spring and fall seasons hosting the next best two teams in the full year regular season table.
The winners met in the Soccer Bowl 2015 hosted by the team with the higher seed.