The World Cup winner was sold to Chelsea for £50million during the January transfer window after putting in a transfer request at Anfield.
According to quotes reported in the Sun, Comolli said: "It's like there is a bright new sky with no cloud over our head from the day that happened, so it's been only positive."When you have someone who doesn't want to be here and you swap him for people who do, the atmosphere changes."
Liverpool shrewdly used the money brought in to snap up Andy Carroll and Luis Suarez, who have quickly made an impact on the Kop.
