The 18-year-old went on to sign a new long-term contract with the Club and Koscielny believes he has the potential to be one of the stars of the new year.
“Serge has a lot of qualities to be a good player and can help the first team to win,” the defender told Arsenal Player.
“He has a lot of quality; he is quick, he has a lot of technique and he is so young so he has time.
“He needs to work hard in training to be with the first team but it is good for him to know the pressure of the game.”
Kosicelny is delighted to be begin 2014 from the summit of the Premier League but says Arsenal must maintain their intensity if they want to stay there.
“We want to start the year with a win and continue our performances from the last six months,” he said.
“We are first so we need to keep our mentality and keep what we are doing on the pitch together. If we do that we can win something.”
Written by Steve Milne
