I t's a groundbreaking moment in American soccer. The United Soccer League has voted to adopt a promotion and relegation system. This will make the USL the first American professi

The United Soccer Leagues (USL), representing American professional soccer's second and third tiers, voted to add promotion-relegation to their system. Currently, it is set up with the USL Championship featuring 24 teams and the third-tier USL League One featuring 14 teams.

A supermajority of United Soccer League (USL) owners voted on Tuesday to adopt promotion and relegation, the league has announced.