Fans of Manchester United were quite optimistic when Louis van Gaal was brought to the club and expected to get back to where they belonged - the top four.
They managed to return to the Champions League under the Dutchman's guidance, but slipped out of the tournament in the group stages.
The style of football he's adapted at the club hasn't satisfied many supporters, and recent form has put immense pressure on the experienced manager. Failing to utilise the majority of the players bought - for huge amounts of money - has also been an issue since his arrival.
BECOME A WRITER
Do you have what it takes? Sign up today and send over your 250 word test article: http://gms.to/haveyoursay3
Many managers have been linked to the club, but there is a difference between who could and who should take over the club. This article will take you through the candidates, and a conclusion of who the club's best option is.
1. Jose Mourinho
This could be his shot at proving that he's not just a short-term manager. Took Chelsea to a whole new step on his very first try, and could do the same at United in recent desperate times at the club.
Was linked as Sir Alex Ferguson's successor in 2013, but returned to his beloved Chelsea, where he managed to win a domestic league and cup double in his second season after the return. He is a great manager in both defense and attack and knows how to win.
Unfortunately, he lost the dressing room at Chelsea, which made him lose the job, an experience he's surely learned a couple of things from.
He has the experience, authority and tactical brilliance to take over United.
2. Diego Simeone
The Argentine has an untouchable status at Atletico Madrid, but that shouldn't stop him from sniffing around the bigger clubs.
Often regarded as a manager who puts emphasis on the defensive game, rather than the attacking. Simeone masterminded Atletico's domestic success in the 2013-14 season, when he guided the club to an impressive league title - finally ending Real Madrid and Barcelona's years of dominance.
A Champions League final the same season was also a result of Simeone's work. A strong, enthusiastic personality, accompanied by his fair amount of experience and still not fully developed potential, he could spark a whole new Manchester United.
3. Massimiliano Allegri
Massimiliano Allegri's managerial ability is unquestionable, having guided Juventus to a domestic double as well as the Champions League final in his first season at the club.
He won the league with AC Milan too, but was forced out of the club after a disappointing evolution under his guidance. Arguably fails when it comes to maintaining consistency for a longer period of time, and when it comes to transfer activity - especially when trying to replace important first-team players who leave for other clubs.
Man United have been struggling with the same aspects as Allegri, and should be careful with this. The Italian struggled with Juve at the start of the season, but has inspired them to a great form lately, edging ever closer to the summit of the Serie A.
4. Pep Guardiola
Arguably the most wanted manager on the list, Pep Guardiola has won everything there is to win with Barcelona and Bayern. Took a break from football after Barcelona, but returned to the beautiful game and took over Bayern.
He has struggled to win the Champions League with Bayern but has absolutely dominated domestically. Short passes during a rigid, slow build-up, followed by a higher tempo and more freedom in the final third is Guardiola's key to success and he demands every player to follow his instructions.
United are currently lacking the pace and freedom in the attacking phase, and Guardiola could be the man to resolve that issue.
5. Mark Hughes
Perhaps the most unrealistic option, Mark Hughes has delivered stability and a different style of football since joining Stoke City and has made some impressive and highly popular signings for the club.
He likes a mixture of short and direct passing, combined with a hint of expressiveness in his otherwise rigid preferred playing style. Gives players like Xherdan Shaqiri, Marko Arnautovic and Bojan freedom because of their technical abilities.
Hughes managed Man City in the past, without any notable success, after some failed signings, Robinho being the best example.
He knows Man United, but could quickly become the new David Moyes should things not work out - a case the club don't need again.
6. Ryan Giggs
One of the favorites to take the job, but also the most inexperienced one mentioned in this discussion. Ryan Giggs knows the club in-and-out and knows the traditions Man United stand by. Managed the club for a few matches after the departure of David Moyes, and didn't disappoint entirely.
Giggs would likely adopt a more attacking brand of football if given the job, as he's witnessed what the club and players have been going through first-hand and knows what the fans want to see.
In truth, he should test out his managerial abilities at a smaller club, but I'm certain most Man United supporters would love to see their former legendary winger in the manager seat at Old Trafford.