Liverpool defender Virgil van Dijk worked with the Netherlands head coach Ronald Koeman at Southampton.
Everton supporters have not yet forgiven Ronald Koeman for his failings at Goodison Park.
Koeman was sacked by Everton at the end of October.
Everton's Davy Klaassen rejected a move to Napoli on Wednesday.
Charlie Nicholas believes that Mauricio Pellegrino may be about to take charge of Southampton for the final time.
With Southampton just outside the relegation zone should they consider bringing back Ronald Koeman despite his Everton struggles?
After being exiled by Ronald Koeman at Everton, Oumar Niasse is now experiencing the same thing under Sam Allardyce.
Everton splashed owner Farhad Moshiri's money in the summer on an influx of new signings.
Could Koeman be set for a third Premier League club in Swansea, after spells at Everton and Southampton?
Former Everton and Southampton manager Ronald Koeman is one of the favourites to replace Paul Clement at Premier League strugglers Swansea City.