The Spaniard scored twice as Diego Simeone's side went top of La Liga by beating Celta Vigo.
The former Barcelona star fired Diego Simone's men to top spot in La Liga with two second-half goals in Galicia as the capital club made the most of the Blaugrana's slip up against Valladolid.
And the Spain international has urged his teammates to keep getting positive results as they go in search of an unlikely title win.
"We have to follow up these three points," he is quoted as saying by AS. "Every point is important and we have to go from week to week, but everything will go down until the end and it's our duty to win them all.
"We took our chances. I'm glad to help the team by scoring and keeping working."
Atletico Madrid will looking to follow up the win over Celta by booking a quarterfinal berth in the Champions League against AC Milan on Tuesday, having already beaten the Rossoneri 1-0 in the first leg.