Sunderland will face Benfica B and Belenenses during a pre-season trip to Portugal.
The Black Cats will depart for Faro on July 17, with the first game against Benfica B taking place on Thursday, July 18 at 7.30pm.
Jack Ross’ side will conclude their trip with a second friendly against Primeira Liga side Belenenses on Saturday, July 20 at 7.30pm.
Both games will be played at the Estádio Municipal de Albufeira, with tickets priced at £10 for adults and £5 for concessions.
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