Sturridge has played with both.
He said: "Joe is brilliant. Everyone knows Joe is going to be at the top for another 10-15 years. Joe was a fantastic keeper when he first joined City.
"He may only have just started playing regularly in the last couple of years but already he's the best in the league."
Pressed on 'Better than Cech?', Sturridge grinned: "Petr Cech is one of the best in the world!"