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

Someone is NOT happy with the loss.

German star Ilkay Gundogan has voiced discontent to Barcelona on several issues - Football España

Bayern Munich: Champions League - Bavarian Football Works

How Real Madrid beat Liverpool, why Bayern should rally vs. PSG: Breaking down Champions League QF first legs - ESPN

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

Revealed: Ilkay Gundogan can leave Barcelona for FREE if he is not registered in time for La Liga opener against Getafe

Gundogan calls for more 'frustration' from Barça players after loss to Madrid. Tchouaméni injured

Bayern Munich: Champions League - Bavarian Football Works

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

Match awards from Germany's comfortable win vs. the USA - Bavarian Football Works

Gundogan calls for more 'frustration' from Barça players after loss to Madrid. Tchouaméni injured

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

Ilkay Gundogan sends brutal warning to Barcelona squad after El Clasico defeat

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

Manchester City earn second win by thrashing Bournemouth 4-0 in Premier League

Barcelona set to spoil Galatasaray's Gündoğan dreams