Redknapp have four of his former players on his shopping list, according to the Sun.
Peter Crouch, Lassana Diarra, Jermain Defoe and Sylvain Distin are all targeted by the new Spurs boss
Defoe left Spurs for Portsmouth in a £7m deal in January, but could now be set to return.
Redknapp said: “If he (Defoe) ever came back up for sale then I’m sure we would be interested.”