GAVI suffered an embarrassing wardrobe malfunction during Barcelona's 1-0 win over Athletic Bilbao last night.
The 18-year-old was picked by boss Xavi alongside Sergio Busquets and Frenkie de Jong in midfield.
He put in a typically tenacious performance... but his evening threatened to end on a bum note.
Gavi put himself about, even trying to tackle an opponent with his HEAD while on the ground - risking being kicked in the face for his team.
The academy graduate didn't come out of the challenge badly, but he wasn't so fortunate on another occasion.
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While sliding for the ball, Gavi's backside unfortunately slipped out of his shorts.
Eagle-eyed fans spotted the highly-rated star's full rear end.
Seeing the incident, one fan joked: "Today Gavi has given everything, even his a**."
His efforts weren't in vain, however, with Barcelona coming up with another vital three points in the title race.
Xavi's men took the lead on the stroke of half-time, Raphinha rifling a right-footed shot home after a brilliant pass by Busquets.
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The goal was initially flagged for offside, before the call was overturned by VAR.
Athletic Club pushed for an equaliser in the second half, but found Marc-Andre ter Stegen in inspired form.
They thought they'd finally equalised late on, when Inaki Williams belted home from close range.
After a lengthy VAR check, however, Iker Muniain was adjudged to have hand-balled in the build-up - much to the fury of the majority present at San Mames.
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