American soccer writing, history & data.
| Season | Name | Abbreviation | Champion | Champion (Tier 2) | Champion (Tier 3) |
|---|---|---|---|---|---|
| 1989 | Southwest Outdoor Soccer League | SOSL | Colorado Comets | - | - |
| 1990 | Southwest Independent Soccer League | SISL | Colorado Comets | - | - |
| 1991 | Sunbelt Independent Soccer League | SISL | Richardson Rockets | - | - |
| 1992 | United States Interregional Soccer League | USISL | Palo Alto Firebirds | - | - |
| 1993 | United States Interregional Soccer League | USISL | Greensboro Dynamo | - | - |
| 1994 | United States Interregional Soccer League | USISL | Greensboro Dynamo | - | - |
| 1995 | United States Interregional Soccer League | USISL-Premier | Richmond Kickers | - | - |
| 1996 | United States Interregional Soccer League | USISL-Premier | Central Coast Roadrunners | - | - |
| 1997 | USISL Premier Development Soccer League | USISL PDSL | Central Coast Roadrunners | - | - |
| 1998 | USISL Premier Development Soccer League | USISL PDSL | San Gabriel Valley Highlanders | - | - |
| 1999 | United Soccer Leagues Premier Development League | USL PDL | Chicago Sockers | - | - |
| 2000 | United Soccer Leagues Premier Development League | USL PDL | - | - | - |
| 2001 | United Soccer Leagues Premier Development League | USL PDL | - | - | - |
| 2002 | United Soccer Leagues Premier Development League | USL PDL | - | - | - |
| 2003 | United Soccer Leagues Premier Development League | USL PDL | - | - | - |
| 2004 | United Soccer Leagues Premier Development League | USL PDL | - | - | - |
| 2005 | United Soccer Leagues Premier Development League | USL PDL | - | - | - |
| 2006 | United Soccer Leagues Premier Development League | USL PDL | - | - | - |
| 2007 | United Soccer Leagues Premier Development League | USL PDL | - | - | - |
| 2008 | United Soccer Leagues Premier Development League | USL PDL | - | - | - |
| 2009 | United Soccer Leagues Premier Development League | USL PDL | - | - | - |
| 2010 | United Soccer Leagues Premier Development League | USL PDL | - | - | - |
| 2011 | United Soccer Leagues Premier Development League | USL PDL | - | - | - |
| 2012 | United Soccer Leagues Premier Development League | USL PDL | - | - | - |
| 2013 | United Soccer Leagues Premier Development League | USL PDL | - | - | - |
| 2014 | United Soccer Leagues Premier Development League | USL PDL | - | - | - |
| 2015 | Premier Development League | PDL | - | - | - |
| 2016 | Premier Development League | PDL | - | - | - |
| 2017 | Premier Development League | PDL | - | - | - |