Roy Keane aimed a joke at Manchester City goalscorer Erling Haaland after his side’s 2-0 victory against Nottingham Forest. On the surface, some might have assumed that City were in a comfortable position against Forest as they were leading 1-0 for most of the game, thanks to Josko Gvardiol’s opening goal. However, it seemed like Pep Guardiola’s men were sleepwalking towards a potential draw or even a defeat on Sunday. Nottingham Forest often ripped them apart on the break and it seemed baffling how they had managed not to at least be drawing the game before Erling Haaland’s introduction. Howe…