Excuses? It's a simple fact that playing Real, City and Arsenal within 7 days costs a lot of energy. If there are stats from their games with those teams and their game vs Leicester today, they'll show that they covered less distance and made fewer sprints today than they did vs Real or City.
They had fewer than 70 hours to prepare before Leicester, they will have more than 150 hours rest before the CL final. They'll run a lot more in Porto than today. A lot of naive comments on here because of today's tired performance. They'll look better in Porto. Problem is that we are better than Leicester and will run a lot as well. We are favourites, but many of the comments after their loss today don't take into account the context of the game. They definitely weren't at their physical best today.