Real Madrid don't have the luxury of making many mistakes in this season surely. Because they will find a much stronger rival against them for the championship race which is Barcelona obviously. After dominating the previous season they should get ready for a much tougher one. Real Madrid have an advantage now actually in terms of having a better chemistry for now. Because Barcelona have added many more players than them and they will need to make the players play with each other coherently.
Real Madrid knows that Barcelona are out for tittle this season,and will definitely do anything to win the Lalliga trophy.Xavi and his men are aware that Real Madrid is the only major threat they have,so they will want to do everything possible to win most of their games so that the league table will favour them.I see Barca winning the Lalliga this season.