Wahbi Khazri joined Sunderland from Bordeaux in the January transfer window.
Rangers beat Queen of the South 4-3 on Saturday afternoon.
The former Magpies head coach says it is crucial that the club avoid relegation so that Benitez can take them on to new heights.
The Belgium and Tottenham Hotspur man has been a main stay in the title-chasers' defence all season.
The former Chelsea midfielder has still not featured for the Arsenal legend's side this season due to nagging calf problem.
West Ham United's Dimitri Payet has had a wonderful first season at charge at Upton Park.
Rafael Benitez has failed to win either of his first two matches in charge of Newcastle United.
Part 3 looks at potential targets from Newcastle United, Norwich City, Southampton, Stoke City and Sunderland.
James Milner says it would probably be better for him to end his international involvement if he becomes just a bit-part player for England.
Everton have reportedly discussed the possibility of signing Jasper Cillessen from Ajax.
After 674 appearances and having a stand named in his honour, Sandy Jardine was guaranteed to be highly-placed in our list of greatest Rangers players.
Wolverhampton Wanderers made a £5,000 investment in Kenny Hibbitt, but in return, they got 574 appearances in all competitions.
Paul Merson has spoken highly of Tottenham star Danny Rose.