The Catalans hope the centre-back will be allowed to feature against Sevilla on the weekend.
Barcelona believes Clement Lenglet's second yellow card against Celta wasn't fair and are set to appeal his sending-off, according to Diario Sport.
The Catalans have to submit their request to the La Liga before 14:00 CEST on Friday.
If the competition's committee cancels the centre-back's red card, he'll be available for Sunday's clash with Sevilla at Camp Nou.
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