"I thought [Lazio President Claudio] Lotito was joking to start with, but, if he's serious then we will see," Rosanero president Maurizio Zamparini told Radio Radio.
"I'll be having a meeting with Coach Stefano Pioli and my staff tomorrow night to evaluate everything.
"From that we'll see which players are available for sale and which players won't be allowed to leave this summer.
"I'll also talk to Cassani," the Stadio Barbera official continued. "He's been here for four or five years and he may want a new experience."