How to watch Real Sociedad vs. Athletic Bilbao in the Copa del Rey online for free

TL;DR: Live stream Real Sociedad vs. Athletic Bilbao in the Copa del Rey for free on ITVX. Access this free streaming platform from anywhere in the world with ExpressVPN.

The Copa del Rey semi finals were set up to be entertaining before a ball was kicked. Barcelona vs. Atlético Madrid is obviously a huge matchup, but the Basque Derby is one of the biggest games in football.

Real Sociedad won the first leg 1-0 at the San Mames Stadium. They now need to defend that lead at the Anoeta Stadium.