Jack Grealish says Man City have a player who’s simply ‘one of the biggest bargains in Premier League history’

Manchester City have made a number of shrewd signings over the years that explain why they have dominated English football in unprecedented fashion.

One of them is Erling Haaland, who cost Manchester City £51 million — which is a measly figure for one of the best strikers in Premier League history.

Manchester City paid £14.1 million to sign Julian Alvarez — who was a key contributor to their success before departing the Etihad Stadium for more than four times the initial fee when he…