A solitary goal in his opening ten English top division appearances this campaign had many wondering if Dominic Calvert-Lewin's prime were behind him.
But, a just four weeks later, he has become the hottest attacker in England after scoring seven goals in 6 straight games.
His most recent strike, in a stalemate versus Sunderland, took his total to eight, making him the leading English goalscorer in the Premier League this term.
The 28-year-old joined Leeds United on a free transfer in the summer, after a nine-year period with Everton that was blighted by setbacks in its closing stages.
But, the data supporting his comeback in Daniel Farke's new fast-breaking 3-5-2 system are extremely impressive.
His six-match scoring streak puts him in elite company as just the 11th English player to score in six or more straight Premier League matches.
To put that into perspective, even England captain Harry Kane was unable to produce a run of this length - his best remains two individual five-match streaks.
And the only English striker to better Calvert-Lewin in recent memory is Jamie Vardy, who produced an eight-game scoring spree for Leicester City in 2019.
Why has Calvert-Lewin so hard to stop in recent weeks? A previous opponent's manager summed it up perfectly.
"He has the ideal timing," the manager remarked. "He's smart and a excellent striker and he found the timing to arrive just on time."
That nose for goal and timing inside the penalty area was what made him a popular figure at his previous club.
Experts note the system adjustment to a 3-5-2 as a major factor, enabling more players to get into the box and occupy defenders, thus given the striker some extra space.
"He is a classic centre-forward," noted a former professional. "For the goal... it was a neat little touch 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 challenge of mentality and I've persisted and kept going... I've backed myself and here I am now."
His manager has shown no surprise at this rich vein of form, emphasizing that the player is "among the elite strikers" in the competition.
Calvert-Lewin's scoring run has inevitably fueled conversations of an England recall.
The former Sheffield United player has eleven England appearances, netting four goals, but has not played for the country since the previous European Championship.
Pundits feel the striker will be in the mix for the World Cup squad if he can keep up this standard.
"He looks as in shape as he has in a considerable period," one said. "If he maintains this level of form... then he's going to be in a conversation for a World Cup place."
However, the battle for places as backup to Harry Kane is intense.
Ollie Watkins of Aston Villa, fresh off a match-winning double against Chelsea, is presently seen as leading in the selection race, according to some analysis.
"If you compare the two players, Watkins has the advantage in terms of using his speed to stretch teams," it was said.
"He also possesses the edge when it comes to making a meaningful impact at a major finals."
Ultimately, whether Calvert-Lewin will be the squad might come down to how many natural strikers the England manager decides to take.
"I think it might depend on whether he includes two or three centre-forwards," an analyst added. "If it is three, he absolutely has a chance."
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Brian Hernandez
Brian Hernandez