A statement on the official website reads: Contracts have not been offered to Jay Bothroyd and Chris Burke following an inability for all parties to agree suitable new terms during the 2010/11 season.
Bothroyd will be looking for a move to the Premier League while Burke it's thought will be heading back to Scotland.
Adam Matthews leaves the club ahead of his move to Celtic while Gavin Rae and Martin John are released and are now free top join other clubs.
Can I thank all the players mentioned above for their efforts on behalf of cardiff City and wish them all the very best for the future.
All the loan players, Stephen Bywater, Jason Brown, Jlloyd Samuel, Jay Emmanuel-Thomas, Jason Koumas and Craig Bellamy have officially7 returned to their parent clubs.
City welcome back Anthony Gerrard, Solomon Taiwo and Aaron Wildig.
Jonathan Meades and Jordan Santiago have been offered new professional contracts and Academy players Ibrahim Farah, Nathaniel Jarvis and Alex Evans have all been offered senior terms with the club.
Sameth Al-Basith and Steffan Jones have been released.