better if they can do live or non love telecast on t.v . i have seen once but it was a different moba . in that way the quality of the video is good because no loading or buffers are going to experience .
Check this:
https://lol.gamepedia.com/2020_Season_World_Championship#MediaMostly, games are streamed on Youtube and Twitch but you might want to check the other media on that list as it might have a cable channel supported by your provider. And in the current internet development, so unusual to see those buffering even using a data connection.
I don't know if you know, but these transmissions have very long delays. Compare the results of the matches and the score on the screen in Twitch. This is unfair at the very beginning. The bookmaker smokes you without soap ...