Lynden Gooch and Patrick Roberts have both signed new deals at the Stadium of Light, while Leon Dajaku has become a permanent Black Cats player after a clause in his loan deal from Union Berlin was activated in the aftermath of promotion to League One.
Still, Sunderland will be assessing their options as they look to strengthen ahead of their return to the Championship.
While Sporting Director Kristjaan Speakman has said the Black Cats will have a competitive budget this summer, they will also be looking at the loan and free agent markets.
Here are nine wide players Sunderland could look at:
While Sporting Director Kristjaan Speakman has said the Black Cats will have a competitive budget this summer, they will also be looking at the loan and free agent markets.