Athletic Bilbao announced having signed Spanish centre-back Yeray Alvarez (21) and defensive midfielder Mikel Vesga (23) on their first professional contracts. Both are lasting until June 2019, and both include a €30m release clause.
Contrato del primer equipo para Yeray y Vesga https://t.co/r1pZSglBd6 #athletic
— Athletic Club (@AthleticClub) 12 settembre 2016
Source: transfermarketweb.com