England international John Stones will miss the upcoming World Cup qualifiers against Andorra and Serbia due to a "muscle injury".
"He came in with minor issues and didn't progress as we thought and hoped, so he left camp this morning. Everyone else is available. We had 21 players in training yesterday and 21 players in training today and we hope to make sure they are all available for tomorrow," said England coach Thomas Tuchel.
The England national team will first welcome Andorra to Birmingham on Saturday, before playing against the Serbian national team on Tuesday on the away field in Belgrade.
Stones plays for Manchester City, for whom he has started all three games so far this season.
He made a total of 83 appearances for the England national team.
Tuchel now has Mark Gaye, Dan Burn, Ezri Konsa and Jarrell Kwansa at his disposal in the center back position, where Stones plays.
Arsenal winger Bukayo Saka will miss the matches against Andorra and Serbia, among others, due to injury.
England have won all three of their matches in World Cup qualifying so far and are top of Group K with nine points.
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