Former Chelsea captain Conor Gallagher was unveiled in front of thousands of Atletico Madrid fans at Metropolitano Stadium on Wednesday night.
Just hours after his £34million move from Stamford Bridge had been finalised, the 24-year-old England international walked onto the pitch at his new home.
Gallagher, who was flanked by motorcycles and fireworks as part of a flashy ceremony, waved at his new supporters as he strode towards the centre circle in his new No 4 shirt.
He later thrilled a boisterous crowd by delivering a 10-word message in Spanish.
Gallagher said: 'Hola.