Izzy Christiansen believes Erling Haaland is sorely “missing” Jack Grealish at the moment. Haaland’s finishing has not been at its lethal best in recent weeks, as he missed a sitter in the first half against AFC Bournemouth as well. Whether that is down to a potential lack of confidence or just a rough patch when it comes to the Manchester City striker is a mystery. Izzy Christiansen says Erling Haaland is “missing” Jack GrealishAfter the Norwegian international’s coolly-taken strike against Brentford, he fluffed his lines against the Cherries, which indicates that he may not be firing on all …