FC Barcelona's İlkay Gündoğan not happy after 2-1 loss to Real Madrid - Bavarian Football Works

Someone is NOT happy with the loss.

The 'problem' that Gündogan may have had with Barça shortly after arriving in the city

Ilkay Gundogan is FRUSTRATED with his Barcelona teammates after losing to Real Madrid in El Clasico

Gundogan Blasts FC Barcelona Teammates After El Clasico Loss (VIDEO)

Bayern Munich

El Clasico: Ilkay Gundogan Scores Debut Barcelona Goal Against Real Madrid

Lewandowski scores late penalty in Barcelona's 2-1 win at Osasuna

I want to see more anger!' - Ilkay Gundogan slams Barcelona team-mates after late Clasico defeat to Real Madrid

Ilkay Gundogan on breaking the Real Madrid curse, Man City winning the treble, and Pep Guardiola

Bayern Munich: Bundesliga - Bavarian Football Works

Bayern Munich: Champions League - Bavarian Football Works

Euro Wrap: Villarreal stun Barca in eight-goal thriller, Kane helps Bayern cut gap

There's frustration and disappointment - Barcelona star Ilkay Gundogan claims 'things can't get any worse' for Germany after loss to Austria

Gundogan calls on Barcelona to show more 'frustration and anger' after Clasico loss - Barca Blaugranes

Match awards from Bayern Munich's 1-2 friendly loss to Manchester City - Bavarian Football Works