On Sunday, they were beaten by Leeds United at Elland Road in the premier league.
It was a sad day at the office for the Blues as they were beaten by a four goal margin by Jesse Marsch's team.
The result leaves the Blues in the bottom half of the table with just one win from three games, and a lot of questions to be answered ahead of their return to the Bridge to faceLeicester City.
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Many will wonder why they couldn't maintain the high press and sustained periods of pressure that they saw in the first half-hour of this match. They slowly turned it into their own fixture by slowing down the pace and stringing together some good passages of play on the deck.
You have to wonder if the visitors were in the right frame of mind to deal with the intense pressure from the hosts. They struggled whenever the ball was in the air and set pieces were a problem because they were easy to overrun.
Following last week's antics, Thomas Tuchel became as quiet as a mouse. The attacking formation he started with showed promise as well as his starting XI selections, but it seems like the German needs to start getting more physical in training. He should have made his changes earlier.
He looked promising and alert in the early stages, but in the end his main contribution here was a horrendous 33rd-minute error.
Two needless yellow cards saw him get his marching orders to add to his club's embarrassment.
The veteran struggled with the pace of the team and the intensity got the better of him.
The England international had a bad day, with his position playing a part in two goals.
A bright start quickly faded away after he failed to cover his man for the thirdLeeds goal.
Once they'd gone behind, Ruben was one of the highlights of the game, with his determination to help out defensively.
We have come to expect elegance and control from the Italy international, but with things getting tough, he went missing.
An initially strong start that featured a determined outing from the youngster soon faded through misplaces and a nervy disposition.
At the end of the day, he couldn't handle being consistently pressured, even though he did better when he was allowed space.
He looked sharp whenever he had a good turn of pace, but he was simply not active or urgent enough.
Fired wide early on, picked up a yellow card that led to the second goal and just couldn't carve out any chances.
The ship was barely held up in the wake of Koulibaly being sent off.
Not much time was given to make a steady impact on the game and only served as a warm body to prevent any further damage.
AMF Hakim Ziyech had a few nice touches but didn't do enough to change the outcome.
At times, Christian looked like a fish out of water as questions continued to be raised about his future.