LaLiga champions Barcelona were beaten 3-1 by relegation threatened Real Valladolid on Tuesday.
The win, which lifted the hosts out of the relegation zone, came after an early own goal from Andreas Christensen and a penalty from Cyle Larin.
Gonzalo Plata then put them in dreamland with a third goal in the second half. Robert Lewandowski pulled one back, but it was too late to mount a comeback.
Barca remain 13 points clear of Atletico Madrid despite their second loss since securing the title.
