(Reuters) – Manchester City are without key defenders Ruben Dias, John Stones and Kyle Walker for the remaining three games of the title run-in but midfielder Fernandinho said the club’s academy talent can plug the gaps if called upon. City, who lead Liverpool by three points, lost Dias to a muscular problem midway through Sunday’s 5-0 win over Newcastle United, leaving them with only four senior defenders. Nathan Ake is also struggling with an ankle issue, however, and City may have to turn to 19-year-old CJ Egan-Riley — who made his league debut coming on for Aymeric Laporte against Newcast…