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 League announced plans to begin promotion and relegation. Here's what it could mean for Jacksonville professional soccer.

Why it matters: If San Antonio FC performs well, it could be rewarded with promotion to a higher level of competition that could raise the team's profile in the soccer world. If the team performs poorly, it could face relegation to a lower league.