The 2002-03 campaign delivered historic glory for AC Siena as the Bianconeri clinched the Serie B title with a first-place finish, securing a celebrated, first-ever promotion to the top-flight Serie A in the club's history. Leading the charge was the clinical striker Simone Tiribocchi, whose 17 goals proved decisive in a campaign built on consistency and momentum. It was a standout year that marked a profound step up for the club and remains a defining, golden chapter for the Siena faithful.