Capello's breakthrough at the club occurred when he won the 2000–01 Serie A title, having signed Walter Samuel to strengthen his defence, and Gabriel Batistuta as a main goalscorer. Although the large fee for Batistuta was initially questioned, the Argentine striker scored a number of vital goals. With Roma, Capello switched from his trademark 4–4–2 to an aggressive 3–4–1–2 formation, which allowed the club's star playmaker and captain Francesco Totti to function in his preferred role as an attacking midfielder, while Cafu and Vincent Candela served as attack-minded wing-backs on the flanks. The season began in difficult fashion with Roma struggling for form and an angry fans protest at the club's Trigoria training complex which turned violent when players cars were attacked. Capello resisted calls for his resignation, and the team's results dramatically improved helped by the performances of the Brazilian midfielder Emerson. The title was sealed with a 3–1 victory over Parma at the Stadio Olimpico on 17 June, prompting a major pitch invasion by the Roma supporters. Capello was praised for fielding Montella, a player he had had a bust-up with just days before, in the final match of the season; Montella, along with Totti and Batisuta went on to score in the title-deciding victory.