1990 – 1999 to 1999 – 2000 – Known as “B1” Grade
2000 – 2001 to 2001 – 2002 – Known as “C” Grade
2002 – 2003 to 2006 – 2007 – Known as John Adam Shield
2007 – 2008 to 2018 – 2019 – Known as Adams Shield – Jika Reserve
2019 – 2020 – Known as John Adams Shield – “B” Grade
Premiers
| 2025 – 26 | Wollert Rhinos CC |
| 2024 – 25 2023 – 24 |
Preston YCW District CC Keon Park 2nd XI CC |
| 2022 – 23 | Old Ivanhoe Grammarians CC |
| 2021 – 22 | Holy Trinity 2nd XI CC |
| 2020 – 21 | Bellfield CC |
| 2019 – 20 | Preston Baseballers 2nd XI CC |
| 2018 – 19 | Rivergum 2nd XI CC |
| 2017 – 18 | Rivergum 2nd XI CC |
| 2016 – 17 | Rivergum 2nd XI CC |
| 2015 – 16 | Darebin Chargers 2nd XI CC |
| 2014 – 15 | Holy Trinity 2nd XI CC |
| 2013 – 14 | North Brunswick Rosebank 2nd XI CC |
| 2012 – 13 | North Brunswick Rosebank 2nd XI CC |
| 2011 – 12 | Rivergum 2nd XI CC |
| 2010 – 11 | Northcote United 2nd XI CC |
| 2009 – 10 | Keon Park 2nd XI CC |
| 2008 – 09 | North Brunswick Rosebank 2nd XI CC |
| 2007 – 08 | Rosebank 2nd XI CC |
| 2006 – 07 | Dennis CC |
| 2005 – 06 | Rivergum CC |
| 2004 – 05 | Rosebank 3rd XI CC |
| 2003 – 04 | Mayston-Bunborough CC |
| 2002 – 03 | Croxton Park CC |
| 2001 – 02 | Rivergum CC |
| 2000 – 01 | Lalor 2nd XI CC |
| 1999 – 00 | Camrea 2nd XI CC |
| 1998 – 99 | Thomastown 2nd XI CC |
| 1997 – 98 | Mernda 2nd XI CC |
| 1996 – 97 | Oakhill Clelands 2nd XI CC |
| 1995 – 96 | Princes Hill CC |
| 1994 – 95 | Cameron 2nd XI CC |
| 1993 – 94 | Fairfield Footballers CC |
| 1992 – 93 | Lalor Stars 2nd XI CC |
| 1991 – 92 | Fairfield CC |
| 1990 – 91 | Bundoora Park CC |