Kevin De Bruyne was absent from Manchester City training ahead of the Blues' Premier League clash against Tottenham Hotspur on Thursday night.
The Belgian midfielder played the full 90 minutes as Pep Guardiola's side lost to Manchester United in the derby on Saturday afternoon, so it remains unclear why the 31-year-old was missing from training on Tuesday.
The midfielder has made a strong start to the season and has registered three goals and 16 assists in 25 appearances in all competitions this term. He has not missed any games through injury this campaign, but has been rested on a few occasions.
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While De Bruyne was absent from training ahead of the Spurs clash, centre-back Ruben Dias was back in action after missing the past few games with a thigh injury. The Portugal defender has made 19 appearances for Guardiola's side so far this season, starting on 15 occasions.
Elsewhere, fellow City defender John Stones also took part in the training session on Tuesday, with the England international missing the defeat to Erik ten Hag's side through injury - with Guardiola having announced before the game at the 28-year-old would not be fit in time for the derby.
City host Antonio Conte's side at the Etihad on Thursday night, with the London club having lost 2-0 to Arsenal in the north London derby on Sunday.
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