Gonzalez brace helps Atletico beat Real Sociedad
Diego Simeone's side strengthened their hold on third, moving three points clear of fourth-place Villarreal, who host Elche Sunday.
It was only the second defeat for Real Sociedad coach Pellegrino Matarazzo in 14 matches at the helm, with the Basque side rising to eighth since the American's arrival.
Both sides sealed passage to the Copa del Rey final this week, with this match a dress rehearsal for the showdown in Seville in April.
"It had been a while since I'd scored so it's good I could do...