Leganes defender, Kenneth Omeruo, is scheduled to fly into Turkey on Tuesday to complete his transfer to Turkish Super Lig club, Kasimpasa.
It is understood that Leganes and Kasimpasa have agreed terms on the transfer.
The 29-year-old is now expected finalize personal terms with the Istanbul club and then undergo a routine medical.
Omeruo previously played for Kasimpasa during the 2017/18 season, on loan from Chelsea.
The Nigeria international has one year remaining on his contract with Leganes.
The player arrived Leganes in the 2018/19 season, first on loan from Chelsea.
The move was made permanent the following season.