Kaboul was out of favour at Tottenham and made the switch to Sunderland this summer.
He's quoted in the Sunderland Echo suggesting that a lack of pre-season football at Spurs and having to devise his own fitness programme has left him playing catch-up, but he doesn't want to use that as an excuse for what has been a poor start to life at the club.
He said: “I missed most of pre-season and I had a hard time at the end at Tottenham, because they didn’t let me train with the team.
“I had to plan my own schedule to get fit, which was not easy for me.
“You always need time to settle into a new team, a different system and adapt yourself.
“That’s not an excuse, because as a professional player, you have to adapt yourself very quickly."
Even if Kaboul doesn't want to use it an excuse, it's hard not to think that a lack of match practice or fitness has contributed to a poor start to the season both for him and the club, as he was thrown in at the heart of the side's defence for the opening two games of the season alongside Sebastian Coates.
Some of the performances have been pretty disappointing, though the Frenchman did make a return to the side for the 2-2 draw against Aston Villa. For Kaboul and the rest of the defenders at the club, there is a need to tighten up and keep a couple of clean sheets after the international break.
As he plays more games he should get fitter and will have adapted to the side a lot more, therefore Sunderland fans should expect to see better performances from the defender going forward.