Javier Hernandez's season-long loan at Real Madrid will not be cut short, according to his agent.
Matt Targett, the latest left-back off Southampton's production line, has signed a new five-year contract.
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.