In
Nectarios Triantis (£300,000, Central Coast Mariners)
Jobe Bellingham (undisclosed, Birmingham City)
Luis Semedo (undisclosed, Benfica)
Jenson Seelt (free, PSV Eindhoven)
Bradley Dack (free, Blackburn Rovers)
Eliezer Mayenda (£1m, Sochaux)
Nathan Bishop (undisclosed, Manchester United)
Mason Burstow (loan, Chelsea)
Nazariy Rusyn (undisclosed, Zorya Luhansk)
Timothee Pembele (undisclosed, Paris Saint-Germain)
Adil Aouchiche (undisclosed, Lorient)
Out
Harrison Sohna (released)
Carl Winchester (released)
Alex Bass (loan, AFC Wimbledon)
Leon Dajaku (free, Hajduk Split)
Bailey Wright (free, Lion City Sailors)
Joe Anderson (free, Shrewsbury Town)
Isaac Lihadji (undisclosed, Al-Duhail)
Lynden Gooch (undisclosed, Stoke City)
Elliot Embleton (loan, Derby County)
Ross Stewart (undisclosed, Southampton)
Danny Batth (undisclosed, Norwich City)
Sunderland total spent to date: £1.3m
Sunderland total received to date: £0m
Sunderland net transfer balance: -£1.3m
Barney Corkhill
