The 2005 Campeonato Paulista de Futebol Profissional da Série A1 was the 104th edition of São Paulo’s premier state football competition. The tournament ran from early January to late May 2005 and featured the top professional clubs from the state.
Format
- First stage: Twenty clubs were divided into two groups of ten. Each team played a single round‑robin against all other clubs, totaling 19 matches per team.
- Advancement: The eight clubs with the highest point totals, regardless of group, progressed to the knockout phase. The four lowest‑ranked teams were relegated to the Série A2 for the following season.
- Knockout phase: The quarter‑finals, semi‑finals and final were contested as two‑legged (home and away) ties. The team with the superior aggregate score advanced; if tied, the away‑goals rule applied, followed by a penalty shoot‑out if necessary.
Outcome
- Champions: Santos Futebol Clube secured the title, winning the final on aggregate.
- Runners‑up: São Paulo FC finished as the defeated finalists.
- Relegated: The bottom four clubs in the overall standing were relegated to the 2006 Série A2.
Statistical highlights
- Top scorer: The competition’s leading goal‑scorer was Rogério (Santos), who netted 16 goals.
- Total matches: 210 matches were played across the entire tournament.
- Total goals: 484 goals were recorded, yielding an average of 2.30 goals per match.
Significance
The 2005 edition highlighted Santos’ resurgence under a youthful squad that included players such as Robinho and Diego, and it marked their first state championship since 2002. The tournament also served as a qualifying pathway for national competitions, with the highest‑placed clubs earning spots in the 2005 Copa do Brasil and the 2006 Campeonato Brasileiro Série A.
