To make a prediction of who will come out as champions next season is still quite early and there are still many things that we may need to analyze. But if you look at a number of teams that are ready to evaluate by bringing in new players, then Bayern Munich, Real Madrid, Barcelona, PSG and Liverpool are included in the category of strong clubs. For the Italian representatives, maybe Napoli and Inter Milan will be the two teams that will compete because if you look at the current conditions, Napoli is quite serious about bringing in a number of players so that they can have a much better chance than Inter Milan itself.
Yes, it is too early to start predicting the teams that may likely win the Champions League. At the same time, I would say it’s not too early, because people are making predictions based on the type quality players, the strength of the squads teams is currently. I know that things always change once the season starts.
Many teams are currently active in the transfer market, and they are looking forward to bring in quality players to strengthen their temas so they can achieve their goals. However, I don't think it is wrong to start predicting the outcome of the Champions League based on the current squads, because not all teams will succeed in signing their desired players and even they are able not all the new siging may contribute to the team and make them achieve their aims.
If head to head records can be used to predict future matches, then I feel it’s not wrong to predict which teams may likely win the Champions League next season before the season start. In some past seasons, even before the season began, people made predictions and ended up being right. However, even when we see how teams perform early in the season, predictions can still turn out to be wrong.