The Canadian Baseball League (CBL) is a Canadian independent baseball league comprising teams in Southern Ontario. Up until 2025, the league was a semi-professional league and known as the Intercounty Baseball League.
The league was formed in 1919 as the and has enjoyed much success over its long history.[1] Teams are run similar to a professional minor league team, providing players an opportunity to play under the same conditions, using wooden bats and minor league specification baseballs. Teams play 42 scheduled games from early May to late-August. The playoffs are best-of-five series with the championship series typically played around Labour Day. The most recent champions are the Welland Jackfish who defeated the Barrie Baycats 4-1 in the 2025 Dominico Cup Final.
History
The Intercounty Baseball League (IBL) was founded in 1919 with just four cities represented — Galt, Guelph, Stratford and Kitchener, and is the oldest amateur men's league in Canada.[2] During the early years, the league expanded to include the cities of Waterloo, Brantford, Preston, London, and St. Thomas.
It was previously known as the Intercounty Major Baseball League and the Senior Intercounty Baseball League. Teams compete for the Jack and Lynne Dominico Trophy, which is awarded to the league champions. The trophy is named for the late owners of the Toronto Maple Leafs baseball team, husband and wife Jack and Lynne Dominico.
On December 3, 2024, the Toronto Maple Leafs announced they had signed Ayami Sato, making her the first female player in the league as well as the first female player chosen to play professional baseball in Canada.[3] She began playing on May 11, 2025.[4]
In 2025, IBL commissioner Ted Kalnins stated that league was transitioning from being a semi-professional to fully professional league and would be expanding to a total of 10 teams as a part of that effort.[5] In addition to being a fully professional league, the league would now be known as the Canadian Baseball League and see the amount of regular season games played increase from 42 to 48, as well as a 5-team playoff structure. Further changes to the league are set to be announced in by the end of 2025. [6]
Labatt Park in London, Ontario, home of the London Majors.
All-Star Game
On July 8, 2006, in Barrie, the league's New Era IBL All-Star Classic game between the Barrie Baycats and the IBL All-Stars; Barrie won 7–2.
On November 24, 2025, the league announced that, beginning with the 2026 season, the league would be changing its name from the Intercounty Baseball League, which had been in use since the league's founding in 1919, to the Canadian Baseball League. The change was made due, in part, to the growing popularity of the league across the country, as well as the move from its former semi-professional standing to a fully professional structure. The league also announced that it would be expanding its regular season from 42 games to 48, and setting the number of playoff teams at five.
Under the new playoff system, the fourth- and -fifth place teams will play in a win-or-go-home one-game playoff, followed by the remaining teams playing in two best-of-seven series to determine the winner of the Dominico Cup.[9]
↑Cosovic, Aleksa (May 9, 2025). "Intercounty Baseball League gaining ground". BNN Bloomberg. Although it is characterized as a semi-professional league on paper, the players who have come through the IBL's ranks have certainly blurred the lines. ... "We're now transitioning into a fully professional league, and as part of that, I'd like to add a 10th team. Expanding to 10 teams would allow us to grow our geographic footprint and create two divisions of five – which would help with travel savings and scheduling," said Kalnins.
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