The 1998-99 campaign delivered a vital year of Serie A consolidation for Cagliari as Casteddu finished 13th, successfully securing their top-flight status after promotion. The team was a formidable force at the Stadio Sant'Elia, building their survival on exceptional home form that included a 5-0 demolition of Sampdoria and a thrilling 4-3 victory over Roma. Spearheading the attack was the prolific striker Roberto Muzzi, whose 16 crucial league goals made him one of Serie A's top five scorers that season. The campaign, which also featured the exciting talent of Fabián O'Neill, marked a determined effort by the club to remain in Italy's elite league.