“They did it at Arsenal as well, but they still look a little bit weak defensively.
“It might not play out in the goals they concede, but it feels to me like from 60 minutes to 90 minutes they tire a little bit and dip. That’s where it feels like United could get on top.”
United go into the clash at Anfield having won their last four league encounters with Klopp’s side.
But Liverpool booted the Red Devils out of the Europa League last 16 last season over two legs and have started the brighter of the two sides in the Premier League.