A solitary goal in his opening ten English top division appearances this campaign had numerous wondering if Dominic Calvert-Lewin's prime were behind him.
But, a only four weeks later, he is the most discussed forward in England after netting seven goals in 6 straight games.
His newest strike, in a stalemate against Sunderland, brought his season's haul to eight, establishing him as the highest English goalscorer in the Premier League this campaign.
The 28-year-old signed for Leeds United on a Bosman move in the summer, after a nine-year stint with Everton that was blighted by fitness issues in its latter stages.
However, the data underpinning his comeback in Daniel Farke's new fast-breaking 3-5-2 formation are extremely impressive.
His six-match scoring sequence places him in elite company as only the 11th English player to score in six or more straight Premier League fixtures.
To provide context, even England captain Harry Kane never managed a run lasting this many games - his longest is two separate five-match runs.
And the only English striker to better 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 previous opponent's manager explained it succinctly.
"He has the perfect timing," the manager said. "He's intelligent and a really good striker and he found the timing to arrive just on time."
That instinct and positional sense inside the 18-yard box was what established him as a fan favourite at his former team.
Analysts highlight the system adjustment to a 3-5-2 as a major factor, allowing more players to occupy the box and occupy defenders, which has created the striker a little more space.
"He is a classic centre-forward," observed a former professional. "For the goal... it was a neat little flick beyond the keeper, a textbook centre-forward's goal."
"I've experienced a lot since then. Lots of highs and lots of downs. A challenge of resolve and I've persisted and kept going... I've had faith and this is the result."
His manager has expressed no surprise at this purple patch, reiterating that the player is "one of the best strikers" in the competition.
Calvert-Lewin's resurgence has naturally fueled discussions of an England call-up.
The former Sheffield United player has eleven England appearances, with four goals, but has not represented the country since the last European Championship.
Analysts believe the striker will be in the mix for the World Cup squad if he can keep up this form.
"He looks as fit as he has in a considerable period," one said. "If he maintains this level of form... then he's going to be in a debate for a World Cup place."
However, competition for places as backup to Harry Kane is incredibly tough.
Ollie Watkins of Aston Villa, following a decisive brace against Chelsea, is currently seen as leading in the selection race, according to some opinion.
"If you contrast the two players, Watkins holds the edge in terms of using his speed to stretch teams," it was said.
"He also possesses the advantage when it comes to making a decisive impact at a major finals."
Finally, whether Calvert-Lewin is part of the squad could hinge on how many specialist strikers the national team coach decides to take.
"I think it might depend on whether the manager selects two or three centre-forwards," an analyst concluded. "If it is three, he absolutely has a chance."
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