He added: 'For example, he can improve with more intensity in training.
"I can easily respect that, but no player is not defendable".
"We made eight changes against Wolves, for example, and it shows we have a lot of players and a lot of competition in the squad".
"I don't think it will have a big impact, to be honest", said Zola.
But Eden Hazard came off the bench to inspire a dramatic late turnaround as Chelsea struck twice in the last 11 minutes at Anfield. Chelsea versus Liverpool already sounds good - we have to make sure it is good.
The Belgian has been one of the few players who enjoyed a successful World Cup to make an impressive start to the season and he believes the League Cup win will boost the Blues.
Klopp knows Chelsea winger Eden Hazard, who scored a brilliant solo victor after coming on as a second-half substitute, represents the biggest threat to his team's ideal start. Yes, immediately after a defeat the mood is not good but then you have two days in this case to find [your way] back on track.
Klopp said: "Trent trained (on Thursday) completely normal". The sale of Andy Cole to United was a major factor in their downturn and they only won two of their last nine league games, finishing in sixth place.
"Eden's growing fast, he's growing fast in maturity, in choices he's making on the pitch and I think, in my opinion, we haven't seen the best yet".
While Chelsea struggled in Conte's second season, they also boast much more title winning experience than Liverpool with numerous same squad having won the Premier League in 2014/15 and 2016/17.
Although Manchester City's 2017-18 record-smashing vintage may have something to say about it, there is an argument for claiming Chelsea's 2009-10 season was the most impressive in Premier League history.