If I am right (I could be way out) you only have to do the maths when it comes to squad sizes, Tevez will be gone so he won't be our problem but he hasn't featured for national squad for some time. If we sign Cavani & Lewandowski to be joined by Aguero and Guidetti as a front four although those could play in Prem League we can't squeeze them in to the CL squad places it means either another player has to be sold such as Garcia or a player has to be told you cannot feature in CL. IMO that is bad for squad moral given most of the squad are full internationals and I can't see anyone wanting to only play prem league. I haven't seen anything linking Garcia with being sold or anyone else for that matter, maybe that will happen once we get all our targets in but at the moment we have reached our limit.
This pre supposes we sign Isco & Cavani and sell Tevez and Dzeko.