" Rinaldo Barlassina, one of the most prominent italian referees at the time, was the victim of stone throwing during a match at Casale. After refusing to give a penalty, Barlassina used an umbrella to protect himself and he emerged unhurt. Ghirelli comments that 'it is unclear if this was thanks to his stoicism or to the fact that the stones had run out'. "

― , Calcio: A History of Italian Football