Erling Haaland appeared to take a swipe at his Dortmund team-mate Jadon Sancho's fitness. Haaland isn't as vocal on Twitter as some footballers, but his account 'liked' a tweet reading: "Sancho does not look match fit at the moment".
It's not clear whether the Norwegian forward did so by mistake, as Haaland's account later 'unliked' the tweet. But not before it was spotted by his followers, who shared it on the social media site.
Sancho has recently returned from injury and has been struggling for fitness as the Bundesliga has got back underway. The England international has not been picked to start in any of Dortmund's three fixtures this month against Schalke, Wolsfburg and Bayern Munich.
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