Real Sociedad were the surprise side of the first part of 2016 - 17 .
The Basques ' improvement began soon after coach Eusebio replaced David Moyes in November 2015 .
Real Sociedad were the surprise side of the first part of 2016 - 17 , yet the Basques ' improvement began soon after coach Eusebio replaced David Moyes in November 2015 .