Tottenham Hotspur midfielder Moussa Sissoko still doesn't feel he is "100% fit" after a "complicated" pre-season with Newcastle United.
Sissoko, 27, arrived at White Hart Lane in the final hours of the summer transfer window. Having been part of the France squad that reached the final of Euro 2016, the midfielder returned for pre-season training with Newcastle in August, but did not play another game for the club.
"I can't tell you I am 100% fit but, day by day, I feel better," Sissoko said after Saturday's victory over Middlesbrough, ESPN reports. "My pre-season was complicated with Newcastle.
"Since I came to Tottenham, I have worked a lot and tried to learn the style of this team. It is different to Newcastle's. But I am happy, and game by game, I'll get better."
After coming off the bench in games against Stoke City and Monaco, Sissoko completed his first 90 minutes of the season in the 1-0 win over Sunderland on 18 September, but was taken off after 70 in Saturday's 2-1 win over Middlesbrough.
The midfielder was replaced by Erik Lamela after picking up a head injury, with Mauricio Pochettino confirming post-match his player had suffered a concussion.
Tottenham travel to Russia for their Champions League group game against CSKA Moscow on Tuesday before welcoming Pep Guardiola's Manchester City to north London on Sunday.
Eric Dier and Danny Rose are hoping to return in time for those to key games. Rose has missed the club's last five games with a hamstring injury he picked up while on international duty with England while Dier picked up a knock in the 1-0 victory over Sunderland.
"We have some players like Erik Dier and Danny Rose who are very close to fitness, and we have to see whether we will take some risks of not," Pochettino said.