Thibaut Courtois's absence has been a huge blow for Chelsea as they have struggled for any sort of form this season.
The Belgian stopper has not played for the Blues since the 2-1 home defeat to Crystal Palace and underwent knee surgery following the September international break.
Now it appears the Stamford Bridge stopper is inching ever closer to a return to action as he was involved in some form of training as part of his rehabilitation.
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The 24-year-old's comeback would not instantly turn around the Pensioners' season, as they did not start well with Courtois between the sticks, but it would be a timely boost for a squad low on confidence.
Asmir Begovic is a good goalkeeper in his own right, but he does not command the same sort of respect or offer the same level of security as Courtois.
And Chelsea sent their fans into meltdown on Twitter by posting a video of the former Atletico Madrid loanee strapping up his gloves and walking on to the training pitch.
Here are some the best reactions to that tweet.
Courtois will not be fit to face Norwich City on Saturday but should be back just in time for the busy festive schedule.
The Blues have six games in December and while their season is teetering on the edge on disaster now, it could be bulldozed into oblivion by the turn of the year.
Mourinho will have his eyes firmly set on January, but anything less than a win against Norwich could see the tides of support begin to turn against the Portuguese.
Can Thibaut Courtois help turn around Chelsea's season? Let us know what you think by leaving a comment below