The 1999 USL D3 Pro League was the 13th season of third-division soccer in the United States, and was the third season of now-defunct USL D3 Pro League, and its first since the name change to United Soccer League.
League standings
Playoffs First Round Northern Virginia defeated South Carolina, 2-1 (SO)
Division Championships
Semifinals Western Mass defeated Chico, 4-1. South Jersey defeated Charlotte, 3-2 (SO).
Final Western Mass. Defeated South Jersey, 2-1. United Soccer Leagues (RSSSF)
References