Franck Queudrue has tied himself to Middlesbrough until 2008 after signing a one-year contract extension. The 26-year-old defender had three years of his existing deal remaining.
The Frenchman who signed for Boro for �2.5m from Lens in 2002, is the seventh player to agree a new contract at the Riverside in recent months.
Gareth Southgate, Ugo Ehiogu, Doriva, Joseph-Desire Job, Colin Cooper and Stewart Downing have also committed themselves to Steve McClaren's side.