By SABC Sport
17th December 2023
The 29-year-old Ghana striker made his 400th appearance for the Rojoblancos in their 2-0 LaLiga victory over Atletico Madrid.
Gorka Guruzeta opened the scoring at San Mames in the 51st minute and younger brother Nico Williams sealed the win with his goal on 64 minutes.
Williams has spent his entire career playing with Athletic.
A club tweet read: "Fireproof. Add and continue. 400 matches vigorously defending the red and white shirt. Zarionak, Williams."
The Black Stars striker has eight goals and three assists in La Liga for Athletic this season.