Left Back Laurens De Bock has joined Sunderland on a season-long loan.
De Bock, 26, joined Leeds in January 2018 from Belgian side Club Brugge, making seven appearances for the Whites.
The former Belgium youth international returned to his native country last summer, signing on loan at K.V. Oostende.
De Bock joins Sky Bet League One side Sunderland having passed a medical over the weekend.