Pochettino is unperturbed and added: "I don't like to talk about the players who are with other teams - I am happy with the squad, happy with the players".
"We are happy with our squad and we can not improve our squad".
So six of Tottenham's fringe players have been ruled out but Pochettino is also sweating on the fitness of several of his first team regulars after many returned back late to pre-season following their exploits at the World Cup.
Spurs had nine players who only returned to training on Monday, having been involved in the World Cup finals until the final weekend of the tournament in Russian Federation.
"The club is trying to finish the (new) stadium as soon as possible".
We didn't sell players and with 25 players in the squad it is hard to add players. To keep our best players was our objective and goal and we have achieved that - at the moment, we will see what happens in the next 20 days in Europe.
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Numerous key men at Spurs only returned to training on Monday after successful campaigns at the World Cup.
Grealish is not the only high-profile player who will wake up today agonising over his future on the final day of the transfer window.
Tottenham were seemingly leading the race for much of the summer, but Daniel Levy was biding his time until he could get Grealish for a bargain fee - and ended up waiting too long. That's normal. Some players will be fit to start the game. It's a massive challenge for us to try to deliver the best tools for them to get fit and then to prepare them for the whole season, not only for one, two or three games or for one month.
"There's no reason to not trust in our squad and no reason not to believe in our club or believe in what we can do".
"I am so happy at the way they come back to training on Monday", he said. "We are not a victim, we need to adapt ourselves to the situation, and I am sure we will be competitive". We didn't sell players and with 25 in the squad it is hard to add.