 Complete the following phrase:  In January 2001, Spanish La Liga side Valencia signed Aimar from River for a club-record fee of 24 million 13 million. He made his debut for the club the following month against Manchester United and drew praise from three-time Ballon dOr winner Johan Cruyff for his performance after the match. The following weekend he scored on his La Liga debut, netting in a 20 away win over Las Palmas. Aimar immediately became a key figure in Valencias midfield under Héctor Cúper and helped the club reach the 