Here's how to watch the 2021 St John's vs DeMatha Catholic broadcast on FloFootball. The 2021 St John's vs DeMatha Catholic broadcast starts on Oct 22, 2021 and runs until Oct 23, 2021. Stream or cast from your desktop, mobile or TV. Now available on Roku, Fire TV, Chromecast and Apple TV. Don’t forget to download the FloSports app on iOS or Android! If you can’t watch live, catch up with the replays! Video footage from the event will be archived and stored in a video library for FloFootball subscribers to watch for the duration of their subscription.