By Dan Marsh Erling Haaland only graced the Premier League around 18 months ago, but Manchester United fans are already sick of the sight of him. The Manchester City striker arrived on these shores with a remarkable goalscoring record and, unsurprisingly, grabbed the goals which led United’s neighbours to a historic treble last season. And unfortunately for United, they know firsthand just how deadly he can be. Ahead of Sunday’s highly anticipated Manchester derby, Haaland has faced United three times, scoring five goals and registering a further three assists. But had things turned out slight…