Manchester United defenders Paddy McNair and Donald Love have joined Sunderland on four-year deals.
Northern Ireland international McNair, who represented his country at Euro 2016, made 27 first-team appearances and was also a key figure in the Reserves' Under-21 success over the past two seasons.
Love was another mainstay of Warren Joyce's side and one of his two senior outings for the Reds, his debut, came during the 2-1 defeat at the Stadium of Light last February.
New Black Cats boss David Moyes did not blood the players during his time in charge at Old Trafford but was clearly impressed with their work at the Aon Training Complex.