Ilkay Gundogan as one of the options to replace injured Sergio Aguero.The Manchester City manager is due to discover in the next 24 hours the severity of the knee injury to the club’s all-time leading goalscorer.And, while he backed Gabriel Jesus as the obvious replacement as the Blues head to Chelsea on Thursday night, he pointed out that the pressing need for rotation in the hectic, re-started season means that Jesus cannot be expected to play in every game.He went on to list the players he