Big O Memorial Slo Pitch Tournament
- Dates: May 16, 2020 - May 18, 2020
- Recurrence: Recurring daily
- Location: Tournament Capital Ranch
- Address: 5375 Yellowhead Highway, Kamloops, BC
The Big O is an annual slo pitch tournament held in Beautiful Kamloops British Columbia that brings players, family and friends all across Canada to celebrate a great friend Olivier Moreau.