Jurgen Klopp has revealed he doesn't know if Thiago Alcantara will play for Liverpool again.

The 32-year-old has endured a hugely frustrating season having made his first appearance in 10 months as a second-half substitute against Arsenal earlier this month. However, Thiago sustained a muscle problem in that game, with Klopp initially confident that it wasn't a "big injury". It appears the outlook is more negative, though. There is no timescale on the problem but Klopp is fearful that Thiago, who is out of contract in the summer, may not feature in a Reds shirt this season. The Spaniard injured his hip last April and has sustained an issue in the same region. Speaking ahead of Liverpool's FA Cup fifth-round tie against Southampton on Wednesday, Klopp said: "I don't know, to be honest (if he will play again this season).