The glaring focus that has been trained on one global Liverpool legend turned to another on Anfield's latest desperate night.
Mohamed Salah has come under fire for his subpar performances this campaign - and was placed on the substitutes' bench for the consecutive Premier League game as the Black Cats came to town on Wednesday.
But it was skipper Virgil van Dijk, a unmatched defensive foundation as Liverpool have collected the full collection of top honors, whose poor form became the focus during the draw.
Van Dijk, 34, and Salah, 33, both inked lucrative new two-year deals in the summer, with barely a Liverpool concern voiced at the notion of offering extensions to a veteran duo much closer to the end of their careers than the start.
Indeed, it was a reason for joy - but now there is no escaping the brutal reality that standards have dropped concerningly for both.
Liverpool have been vulnerable in defence ever since boss Arne Slot and the club's recruitment team began a £450m summer rebuild that has still to demonstrate anything like value for money.
Concurrently, Van Dijk has started to forfeit the sense of being untouchable he has held since his £75m move from Southampton in January 2018.
Van Dijk has not been helped by fellow defender Ibrahima Konate's collapse in form, along with Milos Kerkez failing to settle at left-back. But the esteemed defender has also had significant difficulties, as highlighted by his rash handball that gave away 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 well-earned lead, Van Dijk losing possession before backing away 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 proven caliber, Van Dijk has an peculiar tendency of shying away on the ball, sometimes to Liverpool's disadvantage.
Ill fortune at the end, yes, but it was a situation Van Dijk courted with his atypical failure to take charge, Sunderland's Talbi seizing the moment.
"Van Dijk gives the ball away and then he just drops off. It's the incorrect choice. 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 caliber must not be written off after winning two Premier Leagues, the Champions League, the FA Cup and two EFL Cups in a glittering Liverpool career.
He has, though, looked a faded version of his usual imperious self this season, with the worst recoveries per game during his Liverpool career, while tackles and interceptions are also down on last season.
And, while leadership should not be Van Dijk's exclusive domain alone in a Liverpool team brimming with experience, it was absent here. No-one was motivating a team that once again looked clueless to take control by the throat.
Van Dijk's poor display, which ended with him being used as the emergency option of acting as an makeshift forward, was indicative of a distinctly poor Liverpool performance - which made Sunday's win at West Ham seem like the exception rather than the norm.
Slot stayed with the side that halted a run of nine losses in 12 games at London Stadium, Salah once more watching from the sidelines.
The Egyptian emerged at the start of the second half as the Kop pinned hopes on him for inspiration. It failed to materialize, with £125m Alexander Isak also anonymous after getting off the mark with his first league goal for Liverpool on Sunday.
Slot would have been under greater pressure had Florian Wirtz's 81st-minute shot not been turned in off Nordi Mukiele to set up what Liverpool hoped would be a dramatic ending.
Stoppage-time tension came - but at the other end. Liverpool were only spared embarrassment in stoppage time when Federico Chiesa's superb tracking back allowed him to turn Sunderland substitute Wilson Isidor's shot off the line after he had dribbled past keeper Alisson.
Slot and his fading champions ultimately had to accept the point knowing it could have been worse, with Alisson blessed 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 slow, labored and short on invention. Even the customary late surge after the equaliser carried scant belief. Displays like this are the reason their title defence has fallen apart.
But full acknowledgment for the Reds' struggles on Wednesday must be given to Sunderland, who are being reaping the benefits for a summer of notable ambition in the transfer market, coupled with the excellent coaching of Regis le Bris.
The Black Cats were adventurous, confident and threatening.
Sunderland are now sixth in the Premier League with 23 points. It is indicative of the manner in which they have embraced life in the Premier League that they will be disappointed they left Anfield without adding two more to their tally.
For Slot and Liverpool, it is a case of going back to basics.
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