Answer
The transfer fee for Sami Hyypiä's move from Willem II to Liverpool in 1999 was £2.6 million. Hyypiä, a Finnish defender, became a key player for the Reds, forming a formidable partnership with Jamie Carragher at the heart of the defense. He made over 450 appearances for Liverpool, winning several major trophies, including the UEFA Champions League in 2005.