 Complete the following phrase:  Mazzone returned to Cagliari in 1996, and later also briefly coached Napoli 199798 the following season, before being sacked. He took charge of Bologna again in 1998, winning the 1998 UEFA Intertoto Cup, and reaching the semi-final of both the 199899 UEFA Cup and the 199899 Coppa Italia, also qualifying for the 19992000 UEFA Cup. He spent the following season with Perugia 