Facebook Champions League and Europa League Qualifying Rules There was a lot of queries on who plays CL and who plays Europa league. So here is the summary of the rules. UCL & Europa League Qualifying rules: 1. Each country in UEFA has co-efficient point. 2. Depending on the co-efficient each country will different number of slots for each Europa and CL. 3. As of 2010 England, Spain and Italy have 4 CL slots and 3 Europa Slot.