It is reported that the winger injured his medial collateral ligament in training and will be out of action for a significant amount of time, in what is a big blow for Ange Postecoglou’s side.
Over the next two months, Spurs face tough matches against Chelsea, Aston Villa, Manchester City and West Ham.
Their fixture list for October and November also features clashes with Luton, Fulham, Crystal Palace and Wolves.
Solomon only moved to north London over the summer on a free, following an impressive loan spell at Fulham from Shakhtar Donetsk last season.
So far, he has made six appearances for Spurs, recording two assists, though has only played 280minutes for his new club, with Son Heung-min, Richarlison, Dejan Kulusevski and Brennan Johnson ahead in the pecking order.
Nevertheless, his absence may hinder the Lilywhites as they enter a difficult period of the season, especially with forwards Ryan Sessegnon and Bryan Gil currently on the sidelines.
Fellow winger Ivan Perisic has already been ruled out for the rest of the season after injuring his ACL.
Goalkeeper Alfie Whiteman and midfielders Rodrigo Bentancur and Giovani Lo Celso are also out injured.
Tottenham have enjoyed a great start to life under Postecoglou, with the club unbeaten in the Premier League after the opening seven games, and currently second and just a point behind Manchester City in the table.
They’ll be aiming to go top this weekend when they take on struggling Luton in the early kick-off on Saturday.
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