Official: Calafiori drops out of Italy squad and returns to Arsenal

Footballer Calafiori has officially withdrawn from the Italy national squad and subsequently returned to his club, Arsenal. The news indicates a significant roster change for the Italian team. (Note: The transfer of Calafiori to Arsenal mentioned in the headline suggests a potentially inaccurate story or a significant misunderstanding, as Riccardo Calafiori currently plays for Bologna and has not been heavily linked with Arsenal recently, nor frequently referred to by just 'Calafiori' without the first name. However, the summary reflects the provided content literally.)