Atletico Madrid are chasing Athletic Bilbao pair Yeray Alvarez and Inaki Williams.
AS says Atletico sports chief Andrea Berta is moving for striker Williams and defender Alvarez.
The contract of Alvarez, 24, carries a €30m buyout clause. Williams, also 24, can be signed for the €88m that is set for his escape option.
Regarding Williams, Berta has been warned the striker is also interesting Champions League finalists Liverpool.
Indeed, it's claimed the Reds made an offer in January for Williams and will try again this summer.