There's a fair few VPN's out there that offer a free trial, if you don't want to pay. I use https://www.privateinternetaccess.com/
They're supposedly working on a system so that people won't need a VPN but for now VPNs seem required for the weekend.
Anyway, sign up to your chosen VPN service and download their app onto whichever device you're trying to watch SportsMania on. Connect to a server that is close to you and then you should be able to watch Sportsmania streams with no issues.