Chelsea have completed the signing of Jorrel Hato, announcing the arrival of the young left back on a seven-year contract today. Hato joins from Ajax Amsterdam for a reported fee of £37m, with Ajax retaining a sell-on clause of unknown value.

Jorrel Hato has controversially claimed that Chelsea are the biggest club in the world his £37m transfer from Ajax was announced on Sunday. The Dutch international defender has signed a seven-year contract at Stamford Bridge and becomes Chelsea’s eighth signing of the summer.

The young Dutch defender joins the club after coming through the academy at Ajax before going on to play 110 games for the club's first team. The transfer was made for a fee of a reported €43 million (approx £37.