Liverpool boss Jurgen Klopp claimed Manchester United's defensive style was the "worst thing you can face in football" after the 0-0 draw at Anfield.
The Reds were unable to break down their stubborn visitors during a hard-fought 90 minutes on Merseyside. Liverpool had the lion's share of the chances in the first half but struggled to test David de Gea when they got into shooting positions.
United stood firm in their 4-2-3-1 set-up and the likes of Luke Shaw and Victor Lindelof were standout performers on Sunday afternoon.
Klopp was left frustrated after the full-time whistle as he highlighted how the Red Devils crammed their "world-class players" behind the ball. "We played football, tried to do it, force them back into their own box,"
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