Louis van Gaal struggled to get his United team scoring .
United recorded United 's lowest ever Premier League goal tally last season , which played a key part in the Dutchman getting the chop at the end of the campaign .
Louis van Gaal struggled to get his United team scoring and they recorded their lowest ever Premier League goal tally last season , which played a key part in the Dutchman getting the chop at the end of the campaign .