Baseball Champions
Baseball champions receive the Jason Guindon Trophy, first awarded in 2004.
| Champions | |||||
| Year | School | Year | School | Year | School |
| 2025 | Toronto | 2016 | Western | 2007 | Western |
| 2024 | Toronto | 2015 | Western | 2006 | Western |
| 2023 | Toronto | 2014 | Brock | 2005 | Western |
| 2022 | Queen's | 2013 | Wilfrid Laurier | 2004 | Brock |
| 2021 | Toronto | 2012 | Toronto | 2003 | Toronto |
| 2020 | No Competition (COVID-19) | 2011 | Toronto | 2002 | Brock |
| 2019 | Wilfrid Laurier | 2010 | Brock | 2001 | Toronto |
| 2018 | Wilfrid Laurier | 2009 | Western | ||
| 2017 | Toronto | 2008 | McMaster | ||