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Welcome to the Home plate of Oshawa 21U Legionaires Baseball

We are fortunate to call ourselves the 2019  21U Canadian baseball champions and welcome you to follow our journey this season as we attempt to defend our current title.  We are proud to call Kinsmen Stadium in Oshawa our home playing field and can be found there battling Greater Toronto area opponents most Mondays and weekends. This site will provide an up to date schedule, roster, statistics and all game recaps. Come on down to our park, we'd love to see you.

2019 Baseball Canada 21U National Champions

Recent Oshawa 21U Baseball News

Baseball Oshawa has cancelled all events, including in-person registration, due to the COVID-19/ coronavirus pandemic.

Baseball Oshawa considers  safety a core  value of our organization, and as such we continue to  monitor the evolving impact of COVID‐19.

While the situation regarding COVID‐19 is fluid, Baseball Oshawa has implemented the following precautionary measures:

All baseball activities of any kind for HL, Select and Rep are suspended until further notice.

Online registrations

will continue.

Here is the link to registration portal.

Currently, registration can only be made by credit card, if you wish to make alternate arrangements, please contact registrar Susanne Gallant via email at

 At this point in time, plans are still to run with our regular outdoor activities as usual when baseball season begins in late May.

We will be offering full refunds if the season is completely cancelled.

As this situation with the pandemic is changing almost daily, please monitor your email and for updates.

2020 Oshawa AAA 21U Legionaires Season Info

By Oshawa 21U 03/15/2020, 5:15pm EDT

Become an Oshawa 21U Legionaire and put your talent to the test!

Each and every season we are looking to field the best possible team we can in an effort to represent Baseball Oshawa in the best manner possible.  The past few seasons have yielded very positive results with Toronto,  Provincial and National championships to show for our efforts.

We play an ambitious slate of 40+ games and attempt to be as progressive as possible in an attempt to send our players back to their college and university programs brimming with knowledge, confidence and an enhanced skill set.

Check out our program today by reaching out to Head Coach Scott Cawker at or 905-718-2125.  We'd love to hear from you!