Sure, here is a more detailed paraphrasing of the text:The 24-year-old, who joined the team last month in a deal worth £33 million, scored the first goal for his side by slotting the ball home from inside the area after being set up by Rodrigo De Paul.

Antoine Griezmann then doubled their lead after half-time.

Later, Julian Alvarez also scored his first goal for Atletico since his summer move from Manchester City.

The Argentine striker, who had not found the net in his first four appearances for the club, managed to scramble the ball in from close range during stoppage time.

Gallagher became the 12th English player to score a La Liga goal and the first to do so for Atletico Madrid.

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Goal! Atletico Madrid 3, Valencia 0.

Julián Alvarez (Atletico Madrid) scored with a left-footed shot from the left side of the six-yard box to the center of the goal following a fast break.

An attempt was saved.

Thierry Correia (Valencia) had a right-footed shot from the right side of the box saved in the bottom right corner, assisted by Germán Valera.

Another attempt was blocked.

Germán Valera (Valencia) had a left-footed shot from outside the box blocked, assisted by Martín Tejón.

An attempt was missed.

Sergi Canós (Valencia) had a right-footed shot from a difficult angle on the left that was close but missed to the left, assisted by Pepelu following a set-piece situation.