Liverpool maintained its 100 per cent start to the Premier League season as Dean Henderson's howler handed it a hard-fought 1-0 win over Sheffield United at Bramall Lane.
The Reds have swept all before them so far this season domestically but looked destined to drop their first points of the campaign against Chris Wilder's spirited side.
Blade goalkeeper Henderson gifted them a 16th straight league victory, though, allowing Georginio Wijnaldum's volley to squirm through his grasp with 20 minutes remaining.
The result means Jurgen Klopp's table-topping squad moves eight points clear of reigning champion Manchester City, which heads to Everton later on Saturday.
The Blades were far from overawed by their more illustrious opponents in the opening stages, twice coming close before the midway point of the first half.
Oli McBurnie fired straight at Adrian after cutting in from the left in the third minute, while Callum Robinson lashed wide from 18 yards after being played in by John Fleck.
Sadio Mane then squandered a golden opportunity to open the scoring shortly after the half-hour mark, slicing horribly over with just Henderson to beat.
The Senegal international misfired again shortly before the interval, striking the post from six yards after being teed up by Roberto Firmino.
McBurnie headed over from an inswinging corner soon after the restart, while Oliver Norwood forced Adrian into a stop down to his right from 30 yards.
Yet the game's decisive moment arrived in the 70th minute when Wijnaldum's tame volley from the edge of the penalty area slipped through Henderson's grasp and trickled over the line.
The on-loan Manchester United keeper prevented Salah adding another with a smart stop, though one goal turned out to be enough for Liverpool on the road.
Liverpool hosts Salzburg on Wednesday looking for its first Champions League win of the campaign. It is back in Premier League action on Saturday when Brendan Rodgers' Leicester City visits Anfield, while the Blades travel to Watford on the same day.
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