"I don't know if it has been officially confirmed yet, but Hiddink just told me he was the new coach," Kezman, who played for Chelsea in the 2004-2005 season, was quoted as saying by Croatia's www.index.hr website.
"Hiddink is a great expert and an even better psychologist, hence I am confident he will get Chelsea back to winning ways in the Premier League and go all the way in the Champions League."
Hiddink won the 2009 FA Cup with Chelsea during a brief spell as interim manager after taking over from Brazilian Luiz Felipe Scolari.
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Chelsea are 16th in the Premier League and one point above the relegation zone after 16 games. They will face Paris St Germain in the last 16 of the Champions League.
(Writing by Zoran Milosavljevic in Belgrade; Editing by Toby Davis)
