Thiago is set to undergo a scan on the injury suffered in Liverpool's 3-1 win over Wolves on Sunday, according to reliable journalist James Pearce.
The Lowdown: Thiago injured in win
The Reds suffered Premier League heartbreak on Sunday afternoon, beating Wolves at Anfield but missing out on title glory to Manchester City in dramatic fashion, but all supporters really care about now is the issue with Thiago.
He left the field just before half-time and didn't return for the second half, in what was a hugely concerning moment ahead of the Champions League final.
The 31-year-old now faces a race against time to be fit for the clash with Real Madrid on Saturday evening due to what was believed to be a right hamstring injury.
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The Latest: Pearce provides update
Taking to Twitter, The Athletic's Pearce shared a comment from Jurgen Klopp that the news is 'not good', before offering the update everyone's been waiting on.
Thiago needs a scan to determine the severity of the issue, which certainly doesn't bode well with less than a week until Paris:
"Thiago set to undergo a scan. Would be a massive blow if he misses the CL final."
The Times' Paul Joyce has added his own update at lunch-time, claiming it is actually an achilles problem and it will be a 'battle' to make it in time.
The Verdict: 'Massive' indeed...
Not having Thiago for the Champions League final could be a genuinely game-changing moment, given the Spaniard's brilliance and importance in midfield this season - he started seven of the last nine Premier League games and played 120 minutes in the FA Cup final.
Liverpool would lose so much control without him around, and with Fabinho arguably coming back slightly undercooked, Madrid could suddenly have a big advantage.
It certainly feels as though Thiago is now more likely to miss out, considering the final is only five days away, and it would be a horrible blow for him and the Reds, especially after he missed the Carabao Cup final through injury, too.
In other news, Liverpool have been linked with a move for a midfielder. Read more here.