Ajax completed the signing of Eyong Enoh on transfer deadline day from Ajax Cape Town FC.
The Cameroon midfielder joins as new manager Marco van Basten attempts to make his mark on his inherited squad.
Enoh, 22, has signed a two-year contract at Amsterdam Arena as the club look to challenge for the Eredivisie title after last season's second-placed finish.
Meanwhile, Michael Krohn-Dehli has joined Danish club Brondby and Jurgen Colin has signed for Real Sporting de Gijon in Spain.
Donovan Slijngard has moved to Sparta Rotterdam on loan, while Ajax have terminated the contract of Nicolae Mitea with immediate effect.