Fans, we need your help. Please send in missing title reigns, locations, dates and/or notes if you have them.
This title was formerly known as the MO/IL Junior Heavyweight Championship.
| WON BY | LOCATION | DATE | NOTES |
| Tony Casta | Affton, Mo. | May-85 | |
| Roy Reed | Affton, Mo. | Oct-85 | |
| El Lobo | Saint Louis, Mo. | Jan-86 | |
| Tony Casta | Jennings, Mo. | Apr-86 | |
| The Executioner | Affton, Mo. | Jan-87 | |
| Jeff White | Affton, Mo. | Apr-87 | |
| Tony Casta | Saint Louis, Mo. | Oct-87 | |
| Freedom Rider | Cahokia, Ill. | May-88 | |
| Tony Casta | Saint Louis, Mo. | Jun-88 | |
| Freedom Rider | Bunker, Mo. | Dec-88 | |
| Keith Smith | Saint Louis, Mo. | Apr-89 | |
| The Executioner | Saint Louis, Mo. | Jul-89 | |
| Chaz Wesson | Saint Louis, Mo. | Jan-90 | |
| John Blackheart | Saint Louis, Mo. | Aug-90 | |
| Tony Casta | Farmington, Mo. | Oct-90 | |
| John Blackheart | Saint Louis, Mo. | Feb-91 | |
| Keith Smith | Saint Louis, Mo. | Jun-91 | |
| Freedom Rider | Jennings, Mo. | Sep-91 | |
| John Blackheart | Saint Louis, Mo. | Dec-91 | |
| Jim Lord | Saint Louis, Mo. | Jan-92 | |
| John Blackheart | Saint Louis, Mo. | Apr-92 | |
| Tony Casta | Saint Louis, Mo. | Jun-92 | |
| VACANT | Jun-92 | Casta retired | |
| John Blackheart | Saint Clair, Mo. | Aug-92 | |
| Jim Lord | Saint Louis, Mo. | Nov-92 | |
| John Blackheart | Saint Louis, Mo. | May-93 | |
| Danny Boy Hawkins | Sep-93 | ||
| Chaz Wesson | Apr-94 | ||
| Pete Madden | Aug-94 | ||
| Keith Smith | Apr-96 | ||
| Chris Knight | |||
| Sabre | May-97 | ||
| Ace Strange | Dec-98 | ||
| … | |||
| Johnny Courageous | 2005 | ||
| Young Aladdin | Saint Louis, Mo. | 1/15/05 | |
| Shaft | Saint Louis, Mo. | 2/12/05 | |
| Young Aladdin | Saint Louis, Mo. | 4/16/05 | strap match |
| Johnny Courageous | Saint Louis, Mo. | 2/4/06 | |
| Brandon Espinosa | Saint Louis, Mo. | 8/12/06 | |
| Kahyman | Saint Louis, Mo. | 12/2/06 | |
| Tommy Knight | Saint Louis, Mo. | 7-Jul | awarded. Kahyman injured |
| A.J. Williams | East Carondelet, Ill. | 9/15/07 | |
| Kahyman | East Carondelet, Ill. | 2/16/08 | |
| VACANT | Kahyman injured | ||
| A.J. Williams | Saint Louis, Mo. | 5/10/08 | def. Tommy Riggs |
| Dave Vaughn | Saint Louis, Mo. | 2/14/09 | |
| A.J. Williams | Saint Louis, Mo. | 8/8/09 | |
| VACANT | Williams injured | ||
| Johnny Courageous | Saint Louis, Mo. | 5/8/10 | def. Isick Manson |
| Brandon Espinosa | Saint Louis, Mo. | 12/4/10 | |
| Johnny Courageous | Saint Louis, Mo. | 3/12/11 | |
| Ace Hawkins | Saint Louis, Mo. | 12/3/11 | |
| Max Archer | Saint Louis, Mo. | 4/14/12 | |
| Brandon Espinosa | Saint Louis, Mo. | 12/8/12 |
Credit: Patrick Brandmeyer, Gary Weiss
