Leganes have signed Kenneth Omeruo from Chelsea for £4.6m.
Omeruo, 25, starred with Leganes on loan last term, making 31 appearances for the club.
The Nigeria international did not make a single appearance for Chelsea after joining from Standard Liege in 2012.
@omeruo22 ya está aquí!
"Estoy contento por pasar los próximos cinco años con el Leganés. Espero que podamos hacer historia juntos" #BienvenidoOmeruopic.twitter.com/6LlcxlZGLK
— C.D. Leganés (@CDLeganes) August 13, 2019