 He soon became established as the first choice goalkeeper and made 118 league appearances over three years before moving to Wales to join Swansea Town for a £5,000 fee in July 1969.Millington was a "key figure" as Swansea gained promotion from the Fourth Division in 1970.In January 1971, Swansea (now "City") met Rhyl in the Third Round of the FA Cup; in goal for Rhyl was Millington's younger brother, Grenville.