Barcelona coach Hansi Flick said he is to blame after wholesale changes resulted in a 4-2 loss at Osasuna on Saturday as his side's seven-game winning run in LaLiga was ended.
Lamine Yamal and Raphinha were among five players rested after the midweek win over Getafe as Barça tasted defeat in the league for the first time this season.
"We had a lot of changes in the team and this is maybe one reason for [the performance], but it was necessary," Flick said in his post-game news conference.