Manchester City midfielder Ilkay Gundogan has revealed he congratulated Jurgen Klopp after Liverpool's title win.

The pair won two Bundesliga titles together at Borussia Dortmund.

Speaking to SportBild, Gundogan said:"Of course, I like him very much and had great years with him at Borussia Dortmund.

"I congratulated him right after the championship and he later sent me a few smileys back.

"I don't know exactly what the alcohol level was at the moment, but I assume that he was happy."