The 22-year-old has agreed to a five-year contract with Mikel Arteta’s team. He started Italy’s three group matches at Euro 2024.
He teamed up with his new Philadelphia teammates right away.
Calafiori has experience playing on the left wing and is a versatile defender who can play both central defense and left back.
Last season, he made 30 appearances for Bologna in Serie A, where he recorded five assists and two goals as they finished fifth and qualified for the Champions League.
“Riccardo and his family are very welcome at Arsenal,” Arteta declared. “He is a fantastic addition, adding enormous strength to our defense.
“Riccardo is a strong character and person with unique skills that will help us push for major trophies.” His performances for Bologna and Italy in recent seasons have already demonstrated his excellent development, and his growth and advancement over the last year have been especially noteworthy.
“We’re excited to collaborate with Riccardo, welcome him to the team, and provide him with assistance in the years to come.