Would the 12-match unbeaten run Arsenal took into this game be exposed as a false dawn?
Gary Gillespie has conceded that Liverpool full-back Trent Alexander-Arnold produced one of his worst performances of his young career against Arsenal on Saturday evening. The diminutive holding midfielder has settled into life in the Premier League easily. They're like a boxer with a dodgy chin who hasn't been hit yet, as soon as he gets hit he's just going to spark.
It was also further evidence that this Arsenal side, while retaining the flowing game that was their trademark, also has stomach for the fight.
Andrew Robertson says Liverpool's 1-1 Premier League draw at Arsenal feels like two points dropped for the title challengers.
However, Alexandre Lacazette scored inside the last ten minutes to salvage a point for the home side at the Emirates.
Wenger used words like "negative" and "hurtful" to describe the atmosphere inside this vast arena, the audible evidence of mounting discontent, a place where supporters had ceased to enjoy their football.
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However, still unbeaten and grinding out results when not playing at their best, Liverpool continue to catch the eye and find themselves at the top of the table, with a maximum of two points possibly separating them from Manchester City should they win their game later in the weekend.
In a few short weeks, Emery's positive approach and perpetual motion body language has made the clouds roll away.
After a tight first half, Liverpool broke the deadlock in the 61st minute as Sadio Mane crossed from the left and Arsenal keeper Bernd Leno was only able to parry the ball into the path of James Milner who blasted a low shot into the net.
If work ethic, pressing and intensity have been hallmarks of Emery's early impact on Arsenal's play - forged during meticulous and high-energy training sessions - then so too is the spirit he has forged in the camp. "I know if we have a very big mentality in the game and a very big performance individually and collectively - and also we need some luck - then I think we can win".
Liverpool have been joined by Bayern Munich in the race to sign Arsenal midfielder Aaron Ramsey at the end of the season.
It is very early days.
Arsenal didn't let this goal defeat them, as they kept probing.