Sunderland have announced the signing of Manchester United duo Paddy McNair and Donald Love for £5.5 million.
McNair and Love, both 21, have signed four-year deals at the Stadium of Light.
Black Cats boss David Moyes was enthused by the signings and spoke of their long-term potential.
"Paddy is a young, athletic player who is improving all the time," he told the club's official website. "He has experience for Northern Ireland and we want to bring as many international players to the club as we can.
"Donald comes highly recommended and is another young player who I hope can develop and improve here.