The Blues lost their 100% win record under new boss Antonio Conte last weekend after their 2-2 draw at Swansea, and Terry will miss tonight's clash at Stamford Bridge after suffering an ankle ligament injury in that game.
Earlier this week the club confirmed that the 35-year-old centre-back, who got treatment straightaway after leaving the Liberty Stadium on crutches, will be out for ten days as a result.
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However, even though we all know Terry would love to be captaining Chelsea in such a big game, as you can see below, the Englishman will be tuning into Sky Sports' Friday Night Football just like most of the rest of us.
"Gutted to be missing the game tonight," posted Terry on his Instagram account. "I have had a good days running and working outside today. Good Luck boys."
When will Terry return?
So, Terry is working hard in order to make a quick recovery, but he will miss the visit of Liverpool and Tuesday's League Cup third round tie away to Premier League champions Leicester City may also come too soon for him.
Conte did add to his defensive options with the deadline day signings of David Luiz and full-back Marcos Alonso, but Chelsea fans and Terry himself will hope that he's fully fit and available for selection when his side travel to the Emirates Stadium to face Arsenal next weekend.
He may have lost a yard of pace, but Terry's bravery and experience is priceless, and the defender will be vital for Chelsea in anchoring a back three should Conte eventually switch to his preferred system which brought him huge success at both Juventus and Italy.
Is Terry still a key player for Chelsea? Have YOUR say in the comments box below!