@62100135524 Yes Crowd is a public forum and not a direct Optus support point. As per the text on the Yes Crowd Home page and on the side of this page Note: Yes Crowd cannot access or view customer accounts/orders.
If you subscribed to Optus Sport via the App Store you have to cancel your subscription via the App Store. If you purchased directly from Optus call 133 937 ignore the prompt to press 1 and wait for the options.
I am not an Optus employee. If a reply helps please give a Kudos and when an issue is solved please mark as solved.