Speaking from the Roma training ground on the outskirts of the city, Cassetti said: "There were many bad words spoken in our dressing room as soon as the draw was made.
"We have to play them again and once again we have to play at home first and then go to Old Trafford.
"We all know what happened there last time.
"This is a disaster for us, a nightmare.
"For us, it is the same old story."