Ernesto Valverde has challenged Ousmane Dembele to earn his place in the Barcelona team after the forward was surprisingly left out against Levante.
Dembele was not part of Valverde's squad for Saturday's shock 3-1 loss in La Liga, despite being available again after serving a two-game suspension.
Barca let slip a one-goal lead as they conceded three times in the space of seven minutes in the second half to suffer a third league defeat of the season.
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Their hopes of a recovery were not aided by the loss of Luis Suarez to a calf injury before the interval.