Wilfried Bony was substituted early for Swansea City during their Europa League match against Valencia with a suspected hamstring injury.
Swansea City will feel aggrieved not to have three points after Bony's second goal put them up 3-2 late.
Wilfried Bony, Swansea's record signing, is being forced to do extra training sessions as manager Michael Laudrup looks to get him fit and adapted to the Premier League.
Swansea continued to add young Spanish talent with Spanish youth international Alvaro Vazquez arriving on loan from Getafe.
Wilfried Bony's debut goal was minor consolation for Swansea in an ugly season-opening loss to Manchester United.
With Europa League qualification under way, new signing Wilfried Bony looked great with a brace in his competitive debut for Swansea against Malmo FF.