Thibaut Courtois was considered as one of the best goalkeepers in the world less than two seasons go.
He was right up there with David De Gea and Manuel Neuer during his first full campaign in the Premier League but his form has taken a steep decline in the last 12 months.
And before the weekend it was revealed that the big Belgian has the worst save percentage of any goalkeeper in the English top-flight so far this term.
Chelsea fans are at a loss what has prompted Courtois' sudden uncertainty between the sticks but his recent comments discussing a return to Spain have not helped his cause whatsoever.
The 24-year-old enjoyed three successful years at Atletico Madrid between 2011-14 and has openly admitted his desire to go back to Spain in the future.
Understandably, his current club's supporters were not too impressed by the remarks and Courtois has now tried to clarify the situation.
"I understand the commotion with the Chelsea fans," Courtois said, as per the Daily Mail.
"But I just meant that I want to return to Spain one day, but it can also be after my career. I'm happy to be at Chelsea. For how long, we will see. But now I want to win prizes with this club."
The keeper is contracted to stay at Stamford Bridge until 2018 but his update is unlikely to exactly fill Blues' fans with the confidence that he will be extending his Chelsea career beyond then.
Back-to-back Premier League defeats to Liverpool and Arsenal in September exposed Chelsea's frailties at the back, however, a clean sheet against Hull on Saturday was a step in the right direction for Courtois.
For Antonio Conte's side to have any title ambitions this term, their next two league games will prove crucial.
Home matches against defending champions Leicester, followed by Jose Mourinho's return to the Bridge with Manchester United, could prove the turning point in Conte's tenure - providing they walk away with two wins, of course.