The 24-year-old displayed a magical moment with a fine strike to propel the visitors to victory on the 54 minutes after Iker Muniain had given Athletic Bilbao the lead in the 19th minute.
Williams was however flashed with a yellow card by referee Juan Martinez Munuera in the 15th minute.
He was replaced by Aritz Aduriz in the 66th minutes of the game.
The win has lifted Bilbao from the relegation zone to the 17th position with 19 points.
Athletic Bilbao now prepares to host Seville on Sunday. Read Full Story
Facebook
Twitter
Pinterest
Instagram
Google+
YouTube
LinkedIn
RSS