The league signed a three-year sponsorship contract with mobile phone company TIM in September 2003, award the naming rights for the competition.

[1] Prior to the start of play, in August 2003, Virtus Bologna were excluded from the league due to financial irregularities (namely unpaid wages), they were replaced by Sicilia Messina, the losing finalist of the preceding year's Legadue, a proposal to expand the league to 20 clubs and thus include both clubs was not approved.

[2][3] Reigning champions Benetton Treviso were seen as the favourites to retain their title, teams Lottomatica Roma, Scavolini Pesaro, Montepaschi Siena and Skipper Bologna were seen as the main challengers, with Air Avellino, Coop Nordest Trieste, Mabo Livorno and above all Sicilia Messina seen as the clubs fighting to avoid relegation.

[10] Cantù upset Benetton 85-79 to win its first trophy in 12 years, with Nate Johnson named MVP for his first game in Italy.

Benetton Treviso won the cup for the second successive season, beating Scavolini Pesaro 85-76, Jorge Garbajosa was named as the Final Eight MVP.