Swansea's England under-21 international Tom Carroll faces up to six weeks on the sidelines due to ankle ligament damage.
Carroll, who is on loan from Tottenham, was hurt during England under-21s' 1-0 victory over Czech Republic last Friday.
He scored the only goal as England triumphed in Prague.
A Swansea spokesman has confirmed that the 22-year-old midfielder is now expected to be out for between four and six weeks.
Carroll has so far made 18 appearances for the Swans after joining them last summer...