Garcia's performance was impressive, earning praise from his coach, Hansi Flick.
After the game, Garcia expressed his pride and gratitude for the opportunity to play at the Newcastle stadium, which he described as "spectacular."
Garcia, who joined Barcelona from Espanyol, said he felt comfortable and happy from his first day at the club.
He also praised his teammates, including Marcus Rashford, who scored two goals in the game.
Garcia acknowledged that he had a good performance, but felt he could have done even better if he had been marked by the opposing team.