Lazio president Claudio Lotito insists coach Vladimir Petkovic's job is safe.
Petkovic has been linked with the Switzerland job.
"Don't ask me anything about Petkovic," he told reporters. "I don't know anything about this story.
"Nothing has been put forward officially.
"Petkovic is a good Coach, who we've supported even when some asked for him to be removed.
"If conditions are met then we will have to evaluate the situation. But we have always done that."
