The Serb has been switched from left-back to centre-half since the arrival of Pep Guardiola.
“He looks magnificent. He wants to roam out with the ball," Keown told BBC Sport after City's win over Bournemouth.
That wasn't all. The ex-Gunner claimed he had all the hallmarks of England's legendary World Cup-winning captain.
"I'm sure the manager is watching him and thinking 'is he my perfect central defender?'. Because the way he comes out is almost Bobby Moore like... he's a great talent."