It is clear that Pochettino played a very important role in the decision.
Swansea again look like they will be in a relegation battle this season.
The England star will also miss the upcoming visits to APOEL Nicosia and Real Madrid, depriving Spurs of their foremost creative force. New players come, players that you have after two years or three seasons change their status and level and they need to improve.
Dele Alli is set to return to the starting eleven after missing the Dortmund game through suspension while Kieran Trippier could be recalled at right-back with Serge Aurier unlucky to drop out.
Mawson will face the hard task of containing the in-form Harry Kane, while Sanches, Clucal and Caroll will also have their hands full in midfield.
Messi and Ronaldo had both scored more goals by the time they had reached Kane's age, although they had played more games.
GETTYPaul Clement watches on as the Swans battle for a draw
The visitors could direct a charging finger at the authorities, that dismissed a flawlessly good goal from Pierre-Emerick Aubameyang for offside.
Kane's heroics helped Tottenham to what was only their second win in their last seven matches at Wembley. Dortmund lost the 2013 Champions League final at Wembley, and Tottenham had been a woeful 1-8 in their adopted home stadium.
The England global Kane has arguably become one of the best strikers in World football as he finished as the Premier League's top goal scorer during the past two seasons.
Kane's goalscoring exploits in in the past year have been particularly extraordinary.
Tottenham are yet to win a game at home in the Premier league while Swansea are yet to lose away from home this season.
There's probably nothing in it, but people will continue to talk about the Wembley hoodoo until they win a meaningful game there.More news: Aguero scores hat-trick as Manchester City put six past Watford