Lukas Podolski wants to return to Arsenal when his loan expires at Inter Milan, according to manager Roberto Mancini.
Neil Redfearn has taken heart from Leeds' claims that their young first-team players will not be sold in the summer.
The Rams are waiting to hear from City as to whether they are interested in a deal for the 28-year-old.
O'Connor has been made available for transfer by Derby boss Nigel Clough and he is in the final year of his contract at Pride Park.
O'Connor played under current Robins head coach Sean O'Driscoll at both Bournemouth and Doncaster.