Commons played a key part in Forest's promotion (Getty Images)
Derby County have completed the signing of former Nottingham Forest midfielder Kris Commons on a three-year deal.
Commons, 24, was released by Forest last week after telling boss Colin Calderwood he did not want to renew his contract at the City Ground.
Chairman of football Adam Pearson told BBC Radio Derby: "Any player who comes from Forest shows a desire to play for Derby rather than taking an easy route.
"Kris could have gone to a lot of other clubs but he'll take it in his stride."
Commons is the first player to make the switch from Forest to arch-rivals Derby since defender Gary Charles in 1993.
But Pearson has no doubts Commons can cope with the controversial move.
"He's a brave footballer and he's a good footballer and he'll get great support from the Derby supporters," Pearson said.
Boss Paul Jewell told the club's website: "This is a gem of a signing and a terrific boost that Kris has decided to join Derby over the numerous other clubs who were also keen top secure his signature.
"He is a player who can unlock doors. He has that X-factor and is a genuine match-winner."
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