Having played for both Manchester clubs as well as with Bayern Munich, he admits that Hummels isn’t a target Louis van Gaal should be targeting.
Hargreaves believes the German international is very composed at the back in regards to his passing, but isn’t physically adequate to command the United back-line.
He said: “He’s a super, super ball-playing centre-back but I don’t think he can defend, he’s too slow.
“He’s Franz Beckenbauer, the new version, a super passer but I think that if I’m Manchester United I want Vidic, I want Kompany.
“He’s the captain of Borussia Dortmund, they’re last in the Bundesliga. Is that the measuring stick for Manchester United? I’m not so sure.”
Plus, with Van Gaal failing to secure any proper centre-backs in the January window, he will have the entire second half of the campaign to rethink his summer plans.