Tevez is due a rest soon. Llorente can do with a back to back match and should be partnered by Vucinic or Giovinco. We should prioritize the champions league. Even if the league is an "equal" objective, there are 38 serie A matches and 13 matches for the 2 finalists. So it makes sense to have your strongest team always fit and ready for the Champions League.
If you rotate players in the league, the time to do it is now. Busy calender is Oct, Nov and early Dec. We then have January and some of February to recuperate - ironically, we do worse during that period. I am prepared to lose some Serie A points before then and have our 1st team players fresh and ready to gain points in Jan and Feb