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The Brazilian was sent off late on in Saturday's 2-2 draw at Goodison Park after recklessly lunging in on the Spaniard.
Fortunately Thiago was able to play out the final minutes of the fixture and even played a gorgeous no-look reverse pass - but he did need to head to hospital for a scan - with Liverpool boss Jurgen Klopp adding "it did not look good" for the Reds' No.6.
And fans have spotted how Gomez reacted to seeing the horrendous challenge. The England defender had had his fair share of severe injuries in his career and knows how difficult it is to come back.
Footage shows Gomez throwing himself to the floor as if he feared Thiago had suffered a serious injury like he has.
Former Reds midfielder Steve McManaman was on commentary for BT Sport when the horrific tackle was made and told viewers he had to turn away as the replays were too much for him to handle.
Richarlison has since issued an apology for the challenge and says he did not mean to hurt him.
"Everyone who knows my background knows that I was never a violent player," the Brazilian wrote on his official website.
"I did not enter that dispute with the intention of hurting Thiago. When I saw that the crash was going to happen, I picked up my foot and hit him with my knee in the pass, which was inevitable due to the speed of the play.
"I already sent a message to him apologising and I also do it here publicly. I hope he hasn't been hurt and that everything is fine.
"I also apologise to my teammates, my club and my fans for leaving them with one less at the end of the game. Unfortunately, there is nothing I can do to change what happened, other than to reflect, work and move on."
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