Iniesta lost for words over Barcelona shock defeat
The midfielder admits the defeat is a "step backward".
"It's a step backward. We made a mistake in the play that led to their goal and that really hurt us," said Iniesta.
"Sometimes it's hard to find an explanation, we did everything we could to score.
"It hurts to take this backward step at this point in the league, when there's so little left for the year to be over."
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