The Welsh winger missed a number of chances at Anoeta, but headed home with 10 minutes left to maintain the pressure on Atletico and Barcelona in the three-way fight for La Liga.
Real Madrid is digging deep in this title race. With Cristiano Ronaldo and Karim Benzema sidelined, it was up to Gareth Bale to keep Zinedine's Zidane's patched-up side in the fight for La Liga. And for the second weekend in a row, the Welshman duly delivered.
Last time around, the former Tottenham man scored twice to inspire a memorable comeback from 2-0 down at Rayo Vallecano as Ronaldo missed out.