The midfielder left the field shortly before half-time after pulling up and was replaced by James Milner during the interval.
Asked for an update on Thiago's condition, Jürgen Klopp told his post-match press conference: “Not good, but I can’t say more. He was outside with the families, had his little girl on his shoulders, so he could walk, that’s obviously a good sign. All the rest we will see from tomorrow.
“[It’s the] lower part of the body. I know it, but actually don't want to talk now about it. We will see.
“Give us a chance to have the [scan]; it makes the news not better or worse.