Explained: Sandro Mazzola, Italy and Inter Milan soccer star, dies at age 83

Sandro Mazzola, former Inter Milan captain, died at 83.

Serie A

Italy's top professional soccer league.

European Cup

The predecessor competition to the modern UEFA Champions League for European club soccer.

Ballon d'Or

An annual award given to the world's best soccer player.

Azzurri

Nickname for the Italian national soccer team.

Superga air disaster

A 1949 plane crash that killed the entire 'Grande Torino' soccer team, including Mazzola's father.