In European club soccer, you cannot look much further than the Champions League. For the best teams play in the Champions League. Currently, Europe's best club soccer teams can be considered as:
Barcelona:
Barcelona has perhaps Europe's most potent soccer team. With such players as Henry and Messi in their line-up, they can always score goals, and they are very good with ball passing. So it is a great team that are champions of Spain's La Liga. They must be considered one of Europe's best teams.
Manchester Utd:
Current Premier League champions they are amongst Europe's best teams. For they have some great players such as Owen and Rooney who can be very potent. Undoubtedly, with such talent they can never be discounted from winning the Champions League.
Liverpool:
Liverpool has a good record in European football, with a number of European Cups. Indeed, in more recent seasons their form in Europe has almost matched that of the great Liverpool teams. So, this current Liverpool team is also very good with players like Gerrard and Torres being the most influential. Close to winning the Premier League, this team is amongst the best teams in Europe.
Inter Milan:
Inter Milan have been included for they are currently perhaps the best Italy club team. Although, they always have potentially dangerous teams, and they are current champions of Italy as well as the Champions League. So, Inter Milan is currently one of the best teams in Europe.
Chelsea:
Unlike Liverpool or Barcelona, Chelsea has never won Europe's top cup. However, their current team has been close by reaching the final. With their team investment, Chelsea has a very strong side, which can match the best in Europe. With a little more luck, Chelsea could possibly win in Europe.
Arsenal:
Although they have never won the Champions League, Arsenal is consistent and has been close in recent times. They have a team that are very good with the ball, and have some great midfield players. With a few more good players, they could perhaps do all the better.
Overall Barcelona, Manchester Utd, Liverpool, Inter Milan, Chelsea and Arsenal all have very good teams which have played some great football in Europe. So, they have been the best teams in Europe most recently. Aside from these clubs, the teams of AC-Milan, Bayern Munich and Real Madrid are also good teams that could possibly finish ahead of them in Europe.