Since the sacking of Roberto Martinez, following a disappointing season, Everton have been searching for a manager to revive their fortunes.
One man that has been heavily linked with the Goodison Park club is Southampton manager, Ronald Koeman.
The Dutchman has led the Saints superbly since taking over from Mauricio Pochettino, despite working to a relatively small budget.
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With that in mind we look at four managers who could replace Koeman at Southampton, should he make the switch to Merseyside.
Frank de Boer
De Boer left Ajax at the end of the season after failing to win the league title, relinquishing it to rivals PSV Eindhoven.
However, despite last season's disappointment, the Dutchman has had an extraordinarily successful spell at the Amsterdam side.
He won four league titles in a row during his time with the club, and was also assistant coach as Holland finished runners up in the 2010 World Cup.
As well as winning the Eredivisie league with Ajax as a player, he also won the Champions League and UEFA Cup. He also helped Barcelona claim the La Liga title in the 1998-99 season.
One question mark, however, is how well De Boer would adapt to the Premier League, but he certainly has a glittering CV, and one that Saints would be foolish to ignore should they need to replace Koeman.
The Scotsman last managed at Real Sociedad, where he struggled and left after just one season.
That spell at Spain followed on from his much-covered failure at Manchester United. Handpicked by Sir Alex Ferguson himself, Moyes looked totally out of his depth and it was unsurprising that he was sacked after just nine months.
However, he was a success at Everton where he stayed for 12 years, and probably would have remained had United not come calling.
He guided the Toffees to a fantastic fourth place finish in the 2004-05 campaign, and made a host of shrewd signings who would go on to make a key impact on the team - the likes of Tim Cahill, Leighton Baines, Phil Jagielka and Marouane Fellaini.
It is clear that Moyes does not have the credentials to manage a club at the very top of the Premier League, however, Saints are a similar club to Everton, with qualification for Europe a key target, and Moyes would most likely do a solid job should he be chosen to replace Koeman.
Pellegrini was discarded by Manchester City earlier this year following their appointment of former Barcelona and Bayern Munich boss Pep Guardiola.
The Chilean led City to the league title in his first season, and although City suffered a disappointing season in 2015-16, he never really got the credit he deserved for that title success.
Pellegrini managed several clubs in his homeland, most notably Palestino, who he coached in three different spells.
However, Pellegrini first made his name in La Liga with Villarreal. He led the 'Yellow Submarine' to the Champions League semi finals in 2005-06, and a runners-up finish in La Liga two seasons later.
This excellent management persuaded European giants Real Madrid to appoint Pellegrini as their manager, however, he became another victim of the hire-and-fire policy at the Bernabeu, lasting just a single season.
Malaga offered him the chance to redeem himself in Spain, and he joined them in 2010. A fourth place finish in his first full season was seen as a big achievement by Pellegrini and his players, and he also led his side to the quarter finals of the 2012-13 Champions League.
City then came calling, but despite the aforementioned title success, they have finally managed to land the sought-after Guardiola, meaning Pellegrini is out of a job.
As seen with Malaga, he has the ability to motivate sides and turn them from simply good sides to high achievers.
If Koeman leaves, then Pellegrini could be the perfect man to mastermind the Saints to qualify for Europe.
One somewhat surprising favourite with the bookmakers is Bournemouth manager Eddie Howe.
At just 38, Howe is one of the youngest managers in the Premier League, but still has a decent CV.
He is a Bournemouth stalwart, appearing over 250 times across two spells with the club as a player.
He was appointed manager of the Cherries for the first time in 2008, saving the club from what looked like certain relegation.
In his first full season, Howe led Bournemouth to the League 2 title, and following that success, he took over at Burnley in January 2011.
In his first and only full season in charge, Burnley finished in 13th place, and after this, Howe resigned and rejoined Bournemouth.
He secured the League 1 title in 2013, before finishing 10th in their first season in the Championship, but the following season they managed to clinch promotion to the Premier League.
2015-16 was a difficult campaign as injuries to key players such as Max Gradel and Callum Wilson dealt a blow to their hopes of survival, but somehow, Howe masterminded them to safety.
Picking Howe would be a gamble given his inexperience managing in the Premier League, however, he is a young, hungry coach and always demands the best from his teams.
Whoever replaces Koeman, if he goes, will have a tough job on their hands, and Saints will look to assess all options before picking their man.
Should Ronald Koeman stick with Southampton? Or is a move to Everton better for the Dutchman? Have YOUR say in the comment section below!