association games either alternate the main games (assoc, leag, assoc, cup/chl) or go before the main games (assoc, assoc, leag, cup/chl), thus you just need to change your players after the first main game (leag), and in this way in all 4 games all your players will have full condition.
it is so hard to come to? I thought it's obvious, but still people complain about that