2024 Filoil EcoOil Preseason Cup

The 2024 Filoil EcoOil Preseason Cup, officially referred to as the 17th Filoil EcoOil ECJ Preseason Cup, was the seventeenth edition of the collegiate basketball tournament organized by Filoil EcoOil Sports. The tournament began on May 11, 2024 and is contested by all 18 teams from the University Athletic Association of the Philippines (UAAP) and the National Collegiate Athletic Association (NCAA). The tournament concluded on June 12, 2024. All games are held at the Filoil EcoOil Centre in San Juan.

On May 10, 2024, Filoil EcoOil Sports announced that the 17th Preseason Cup would be named after late sports patron Eduardo Cojuangco Jr.. The trophy in which the eventual champions will receive is also renamed as the ECJ Cup.

The UP Fighting Maroons enter this tournament as the defending Preseason Cup champions. UP would then go on in successfully defend their title in the championship game after defeating the De La Salle Green Archers in a 69–66 come-from-behind win.

Elimination round
In the elimination round, the teams are grouped by association. From there, the teams play in a single round-robin tournament. UAAP teams will play seven games while NCAA teams play nine. Teams are ranked by win-loss records with the top four teams from each association group advancing to the playoffs.

Playoffs
The single-elimination playoffs will begin on June 8, 2024 with the crossover quarterfinals, where the first-seeded teams play the fourth-seeded team from the opposing association group, same goes for the second-seeded and third-seeded teams.


 * Legend
 * U1, U2, U3, U4 – The teams from the UAAP group
 * N1, N2, N3, N4 – The teams from the NCAA group

Championship game
This year's championship game was a rematch of last year's championship game, where the UP Fighting Maroons beat the De La Salle Green Archers, 87–76. It was also a rematch of the UAAP Season 86 men's basketball finals, where La Salle beat UP in a three-game series.

UP would come back from a 20-point deficit at the half to defend their title and become the second back-to-back Preseason Cup champions. Coincidentally, the only other team to do so was La Salle in the first two editions of the tournament (2006 and 2007).