By James Cormack Manchester City’s ascent towards the Premier League title continues on Sunday as they visit Nottingham Forest. Pep Guardiola’s side are chasing an unprecedented fourth-straight league title and they remain the favourites to retain their crown. City were in a ruthless mood on Thursday as they put four past a hapless Brighton, matching Arsenal’s demolition of Chelsea two days prior. With Liverpool beginning to falter, it seems as if City will once again duel the Gunners for the title and Guardiola will be hoping that Tottenham do his side a favour in the north London derby befor…