Three years ago, Jamie Carragher revealed the two Liverpool signings he thought were "really poor" when they first made the switch to Anfield.
Mohamed Sissoko was the first after he made the £5.6million move to Valencia in 2005. The former Mali midfielder struggled at the start of his Liverpool career but ended up becoming an important member of Rafael Benitez's side, making 87 appearances in during his three-year spell on Merseyside.
He told Sky Sports back in 2020: "More often than not at Liverpool the top players settled really quickly, but I can think of a couple. I think Momo Sissoko was one. He ended up being a really good player for us in midfield. A destructive type of player, not great technically.