The Spaniard came on in the second half of the 3-1 defeat against Jurgen Klopp’s side but United were already losing by two when he came on.
Instead he wrote: “I don’t have a blog post to share with you today. I imagine that you all understand. Thank you, as always.”
It’s the second time in recent weeks where Mata has been usually silent in his weekly post. The forward isn’t afraid to speak after defeats, he praised City after the Manchester derby.