Liverpool's frustration was summed up on the half-hour, when Trent Alexander-Arnold sent an aimless first-time cross straight out of play.
Skipper Jordan Henderson threw down both his arms at another opportunity squandered by the visitors, in what amounted to an uncharacteristically-sloppy performance from Jurgen Klopp's side. While United, full of endeavour and enterprise, were unrecognisable from the lamentable displays against Brighton and Brentford, Klopp's men continued their curiously-sluggish start to the season.
James Milner ceded possession on numerous occasions in the first half, with Liverpool's midfield three of him, Henderson and Harvey Elliott lacking fluency and understanding.
