By Nathan Ridley Roy Keane says four-goal Manchester City hero Erling Haaland behaved like a ‘spoiled brat’ after being subbed off against Wolves. Manchester United legend Keane has escalated the pair’s war of words, as back in March the ex-midfielder scathingly equated Haaland’s general play to that of a ‘League Two striker’. The Norwegian marksman responded after City’s 5-1 victory over Wolves on Saturday by brutally saying: “I really don’t care much about that man.” On Sunday, Keane had another dig at Haaland, who was seen moaning on the bench after boss Pep Guardiola brought him off with e…