Ki Sung-Yueng and Leon Britton were absentees last weekend in Swansea City's thrilling 2-3 win over Liverpool as the duo are both dealing with a calf complaint.
Ki Sung-Yueng suffered a broken toe and is expected to need two to three weeks to recover.
Ki Sung-Yueng scored once and set up the red hot Heung-min Son for South Korea's match-winning goal as they came from behind to defeat Qatar, 3-2.
Ki Sung-Yeung is one of a number of Swansea players who will miss Sundays’ final Premier League game at home to Manchester City.
During Fridays’ pre-match briefing assistant manager Alan Curtis confirmed Ki Sung-Yeung would rejoin the group in training after he was forced off through injury at the Emirates on Wednesday night.
Ki Sung-Yueng is fit and available for selection according to Swansea City's official website, as the midfielder has successfully recovered from a concussion sustained last weekend.
Ki Sung-Yeung has been ruled out of this weekends’ game versus Crystal Palace as a precaution because of a head injury.
Sung-Yueng Ki earned Swansea a huge win with a penalty box goal in the ninth minute.
Swansea City continue their battle to turn their season around in the post-Garry Monk era, but despite outplaying their opponents West Ham they had to settle for a 0-0 draw at the Liberty Stadium.
Ki Sung-Yeung looks to be winning his race to be fit for the game against Newcastle after limping during last weekends’ draw at Stamford Bridge.
Sung-Yeung Ki has undergone surgery to cure a niggling and persistent knee problem in an attempt to return fully fit for the start of pre-season.
Swansea City's tidy 2-0 win over Stoke City at the weekend saw plenty of positive fantasy performances from the in-form side, but a trip to the Emirates next may prove difficult for them to keep up things up.
Ki Sung-yueng salvaged a point for Swansea against Sunderland by scoring against the club he played for on loan last season.
Ki Sung-Yueng is off to play for South Korea for the Asia Cup that kicks off this month, leaving a void in Swansea City's midfield.