A solitary goal in his first ten English top division outings this season had many questioning whether Dominic Calvert-Lewin's best days were in the past.
However, a mere four weeks afterwards, he stands as the most talked-about striker in England after bagging 7 goals in six back-to-back games.
His newest strike, in a tie against Sunderland, brought his season's haul to eight, seeing him become the highest English goalscorer in the Premier League so far this season.
The 28-year-old moved to Leeds United on a Bosman move in the summer, after a nine-year spell with Everton that was marred by injuries in its closing stages.
However, the numbers supporting his comeback in Daniel Farke's new counter-attacking 3-5-2 formation are genuinely notable.
His six-game scoring sequence sees him in exclusive company as only the 11th English player to score in six or more consecutive Premier League matches.
To frame that statistic, even England captain Harry Kane was unable to produce a run this long - his top is two distinct five-match runs.
And the sole English striker to outdo Calvert-Lewin in the modern era is Jamie Vardy, who embarked on an eight-game scoring streak for Leicester City in 2019.
What has made Calvert-Lewin so hard to stop in the past month? A latest opponent's manager summed it up succinctly.
"He has the impeccable timing," the manager remarked. "He's intelligent and a genuinely top-class striker and he found the timing to arrive at the perfect moment."
That natural ability and timing inside the 18-yard box was what established him as a fan favourite at his former team.
Analysts point to the system adjustment to a 3-5-2 as a significant factor, helping a greater number of players to occupy the box and occupy defenders, thereby created the striker additional space.
"He is a classic centre-forward," commented a former professional. "For the goal... it was a lovely little finish beyond the keeper, a classic centre-forward's goal."
"I've been through a lot since then. Lots of highs and lots of downs. A test of mentality and I've hung in there and kept going... I've believed in myself and now I'm reaping the rewards."
His manager has shown complete confidence at this hot streak, reiterating that the player is "a top strikers" in the competition.
Calvert-Lewin's resurgence has inevitably ignited discussions of an England recall.
The ex- Sheffield United player has eleven England appearances, with four goals, but has not played for the Three Lions since the last European Championship.
Analysts think the striker will be in contention for the World Cup squad if he can sustain this standard.
"He looks as in shape as he has in a considerable period," one remarked. "If he sustains this level of form... then he's going to be in a debate for a World Cup place."
Yet, competition for places supporting Harry Kane is incredibly tough.
Ollie Watkins of Aston Villa, following a match-winning two goals versus Chelsea, is currently seen as ahead in the pecking order, according to some assessment.
"If you compare the two players, Watkins holds the edge in terms of using his pace to test teams," it was said.
"He also possesses the advantage when it comes to making a meaningful impact at a major tournament."
In the end, whether Calvert-Lewin will be the squad might come down to how many out-and-out strikers the head coach decides to select.
"I think it might hinge on whether he takes two or three centre-forwards," an pundit concluded. "If it is three, he certainly has a chance."
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Douglas Houston
Douglas Houston
Douglas Houston
Douglas Houston