It'll be a while until then, 2024 is what they think for the new arena
What do you mean for football, full stadiums or just having fans in? I imagine next season will see at least partial re introduction of supporters to stadiums.
I think the end is in sight here, Sludge, by autumn every adult in the country will have had at least shot of a vaccine. What more can you reasonably expect of people beyond what they've done this past year and the remarkable vaccine effort?