The NHL authorities are waiting to see what happens with NBA decision in North America. Some California teams (San Jose Sharks, LA Kings) may not be able to play in their arenas until 2021. There is talk of their season starting later and going on into June 2021. In Europe, some countries are lifting lock down principles slowly, but no word of mass gatherings or sporting events.
Could we see UK sporting events be held behind closed doors, without spectators? Those events would need to be live streamed for a viewing audience. This is one idea already being discussed for Premier Football. Not sport as we know it.