You can watch games on YouTube for free, just type in the teams in the search bar, filter for “Live” events and most likely someone is streaming the game. Albeit, they might just be videoing the game on their TV set, but if you just want to occasionally check-in on the game, it does the job.
periscope and other apps as well, but we are talking to some dinosaurs that are still using an all text web platform from the 1990’s on satellite internet. not exactly the most tech savvy.