The unforgiving spotlight that has centered around one global Liverpool great shifted to another on Anfield's fresh disappointing night.
The Egyptian forward has been under scrutiny for his struggles this season - and was consigned to the sidelines for the second successive Premier League game as Sunderland visited on Wednesday.
But it was skipper Virgil van Dijk, a exceptional defensive rock as Liverpool have collected the full collection of major trophies, whose poor form became the focus during the stalemate.
Van Dijk, 34, and Salah, 33, both signed lucrative new two-year deals in the summer, with not one Liverpool concern voiced at the idea of handing contracts to a experienced stars much approaching the end of their careers than the start.
Indeed, it was a moment of optimism - but now there is no escaping the brutal reality that standards have dropped worryingly for both.
Liverpool have been vulnerable in defence ever since boss Arne Slot and the club's recruitment team embarked on a £450m summer overhaul that has not yet shown anything like value for money.
Concurrently, Van Dijk has started to shed the air of invincibility he has held since his £75m switch from Southampton in January 2018.
Van Dijk has received little support by defensive partner Ibrahima Konate's loss of form, along with Milos Kerkez failing to settle at left-back. But the renowned star has also struggled badly, as demonstrated by his desperate handball that conceded a penalty in the significant Champions League loss to PSV Eindhoven at Anfield.
It was exemplified in the 67th minute on Wednesday when Chemsdine Talbi gave Sunderland a merited lead, Van Dijk giving the ball away before retreating and turning away on a 25-yard shot that hit him and looped out of the reach of goalkeeper Alisson.
For a defender of such undoubted greatness, Van Dijk has an peculiar tendency of shying away on the ball, sometimes to Liverpool's disadvantage.
Bad luck at the finale, yes, but it was a situation Van Dijk invited with his unusual failure to make a decisive move, Sunderland's Talbi seizing the moment.
"Van Dijk loses the ball and then he just backs off. It's the wrong decision. He needs to go to the ball. Him not making the decision means that no one else knows what to do."
"Virgil Van Dijk last season was faultless. Every game he was dominant, but right now he's erring and second-guessing himself."
As with Salah, a player of Van Dijk's stature must not be dismissed after claiming two Premier Leagues, the Champions League, the FA Cup and two EFL Cups in a illustrious Liverpool career.
He has, though, looked a shadow of his usual commanding presence this season, with the worst recoveries per game during his Liverpool career, while key defensive stats are also down on last season.
And, while leadership should not be Van Dijk's exclusive domain alone in a Liverpool team packed with experience, it was absent here. No-one was inspiring a team that once again looked bewildered to take control by the throat.
Van Dijk's difficult night, which ended with him being used as the last resort of acting as an last-ditch attacker, was symptomatic of a deeply underwhelming Liverpool performance - which made Sunday's win at West Ham seem like the exception rather than the standard.
Slot persisted with the side that ended a run of nine losses in 12 games at London Stadium, Salah once more watching from the sidelines.
The Egyptian came on at the start of the second half as the Kop turned to him for inspiration. It was not forthcoming, with £125m Alexander Isak also quiet after scoring his first with his first league goal for Liverpool on Sunday.
Slot would have been under increased scrutiny had Florian Wirtz's 81st-minute shot not been turned in off Nordi Mukiele to set up what Liverpool hoped would be a thrilling finale.
Stoppage-time tension came - but at the other end. Liverpool were only avoided defeat in stoppage time when Federico Chiesa's excellent defensive sprint allowed him to turn Sunderland substitute Wilson Isidor's shot off the line after he had beaten keeper Alisson.
Slot and his fading champions ultimately had to settle for a draw knowing it could have been worse, with Alisson fortunate to turn Trai Hume's shot onto the bar in the first half before Omar Alderete headed against the post after the interval.
Liverpool were sluggish, labored and short on invention. Even the typical final push after the equaliser carried minimal threat. Displays like this are the reason their title defence has fallen apart.
But significant praise for the Reds' struggles on Wednesday must be given to Sunderland, who are being rewarded for a summer of serious ambition in the transfer market, coupled with the superb management of Regis le Bris.
The Black Cats were positive, self-believing and dangerous.
Sunderland are now sixth in the Premier League with 23 points. It is symptomatic of the manner in which they have grown into life in the Premier League that they will be frustrated they left Anfield without adding two more to their tally.
For Slot and Liverpool, it is time for reflection.
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