HI @Calarch86,
Welcome to the Roku Community!
We understand you want to cancel your MLB subscription. We're happy to help. To be better assisted with your cancellation of subscription inquiries, you can contact our Accounts and Billing team since they are the specialized department to best cater to your inquiry. To contact them, kindly refer to this link here. Select the Accounts and Billing option to be directed to their contact information.
Best regards,
Eunice
Eunice L.
Roku Community Moderator