Tottenham Hotspur defender Cristian Romero still has some "question marks" over him, according to journalist and South American football expert Tim Vickery.
The Lowdown: World Cup approaching
With the World Cup rapidly approaching, Spurs are likely to see the majority of their first-team players in action for their respective countries in Qatar.
Ahead of the tournament, though, Romero has been called into question over how much defensive quality that he can provide to Argentina.
The Latest: 'Question marks' over Romero
Vickery has been speaking to GIVEMESPORT about the defensive options available to Argentina boss Lionel Scaloni ahead of the World Cup, stating that he is yet to be fully convinced by Romero.
The journalist said: "This is the aspect of the Argentina World Cup challenge that interests me most and their defensive record in recent times is brilliant, especially since [Lisandro] Martinez and Romero came into the side. I think it's something like two goals conceded in 14 games.
"Sometimes they've been at full stretch, and I'm really interested to see how they cope with the really difficult games, how that defensive unit copes with the really difficult games, because, as far as I'm concerned, in terms of a genuinely world-class centre back, I still have one or two question marks over Romero."
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The Verdict: Romero doing the business for Spurs
Despite only making eight league appearances this season for Spurs, the Argentine is still among the top five for successful tackles (11), blocks (11), interceptions (11) and clearances (26) at the north London club.
This illustrates the defensive acumen of Romero and why he could be an important figure for his country in the upcoming World Cup.
It also proves why the centre-back has been described in the past by Charlie Eccleshare as a "massive" player for the north London club.
Also, the fact that Spurs have conceded four goals across their two previous league games that the 24-year-old has missed through injury further showcases how significant player a he is for the Lilywhites at the back.
It seems to us that the only real issue Argentina could have with Romero is his worrying injury record rather than anything to do with his quality on the pitch.