Middlesbrough caretaker manager Steve Agnew faces having to rebuild their backroom staff.
Agnew has taken charge after the sacking of Aitor Karanka.
Joe Jordan has joined the coaching staff at Middlesbrough.
Steve Agnew is in charge of the first team after Karanka's departure and has made Harry Redknapp's former assistant Jordan his first appointment.
Goalkeeping coach Marcos Abad and analysts Juanjo Vila and Guillermo Salinas have left the club.