Swansea defender Kyle Bartley has been ruled out for three months after undergoing knee surgery.
Bartley was injured in the Swans' Carabao Cup game at MK Dons on August 22 and was initially expected to be sidelined for six to eight weeks.
But scans revealed the problem was more serious than first feared and the 26-year-old had an operation this week.
Swans boss Paul Clement told his club's official website: 'We were disappointed to lose Kyle.