Haaland has made an electric start to his Manchester City career, scoring nine goals in his first five Premier League games.
That goal tally is the most any player has scored in his first five matches in Premier League history, which includes back-to-back hattricks against Crystal Palace and Nottingham Forest.
Despite arriving in England from Borussia Dortmund this summer with a fearsome goal reputation, some doubted whether Haaland could adjust easily to the competitive nature of the Premier League but the Norwegian is already making a mockery of that assertion.
Having seen Haaland leave defenders trembling in their boots already, Carragher has made the bold claim that the former RB Salzburg striker could prove to be the Premier League finest ever.
"I'd probably say Man City have had a really good window, with the players they've brought in," he told Sky Sports.
"They lost a lot of attacking players, but you look at Haaland… [Julian] Alvarez's start already, he looks [to have] real quality.
"Haaland's the one that jumps out at you, he just looks absolutely amazing.
"We know we've got a great player in the league, but I think we've got something really, really, special, where when he's finished his time at Man City or in the Premier League, we'll be taking about him alongside Thierry Henry.
"I think this lad could end up being the best player we've seen in the Premier League, I really do. He's that special and he's made a brilliant start."