City were indebted to goalkeeper Fraser Forster for a second-half performance in particular which kept Brentford at bay. "World class he was," said Lambert.

City were indebted to goalkeeper Fraser Forster for a second-half performance in particular which kept Brentford at bay.

"World class he was," said Lambert. "I think he will be a world class goalkeeper.

"Some of the saves that lad makes are extraordinary and you get to the point where you think, 'I don't think he's going to get beat'. He will one day, but you have that feeling he is unbeatable at the minute.

"I don't know if he is eligible for (England) under-21s, but I would certainly have a look at him. I would recommend him - I would certainly look at him that's for sure."