Open up the Pitchero Club app and log into your Pitchero account.
Tap the 'Messages' section at the bottom of the screen, then tap into the specific message thread of your choice.
In the top right-hand corner of the screen, tap the options icon at the top right corner of the screen (...).
At the bottom of the screen, you shall see an option to 'Disable Notifications'.
If you tap 'Disable Notifications' you can then specify a timeframe you wish to disable notifications for.
Once select, a blue banner shall appear prompting you to enable notifications on the conversation if you wish to start receiving notifications again.