Even Guardiola knows a glut of possession does not carry a guarantee .
So it looked like proving when Jermain Defoe cancelled out Sergio Aguero 's early penalty with pea - shelling ease .
Even Guardiola knows a glut of possession does not carry a guarantee and so it looked like proving when Jermain Defoe cancelled out Sergio Aguero 's early penalty with pea - shelling ease .