Premier League new boys exit League Cup early
Sunderland, beaten by Norwich in the 1985 final at Wembley, went down 1-0 at Championship side Brighton and Hove Albion.
Craig Mackail-Smith scored the only goal for Gustavo Poyet's team in extra-time.
Norwich, who also won the trophy in 1962, suffered a crushing 4-0 home defeat against League One Milton Keynes Dons. Former Manchester United player Luke Chadwick netted twice.
Rangers were beaten 2-0 at home by League One Rochdale while Swansea lost 3-1 at League Two Shrewsbury Town. Norwich, Rangers and Swansea were promoted this season.
Premier League Aston Villa, Wolverhampton Wanderers and West Bromwich Albion went safely through.