Athletic play Napoli on Wednesday nigth in the second leg of the group stage play-off, the first leg in Italy finishing in a 1-1 draw.
Ernesto Valverde is still looking for a midfielder to replace Ander Herrera, who joined Manchester United, and if Athletic reach the group stage they will try to convince Illarra to sign in at San Mames.
It has previously been reported that Illarra would make a loan move to Athletic and that he had wanted to remain at Santiago Bernabeu.
Read the original article on Football Espana - The ultimate website for English-speaking fans of Spanish football
- Sports & Recreation
- Carlo Ancelotti
- Sami Khedira
- Ander Herrera