Ateneo–La Salle rivalry
The school rivalry between Ateneo de Manila University and De La Salle University began when both educational institutions participated in the National Collegiate Athletic Association of the Philippines (NCAA) and has carried over to the University Athletic Association of the Philippines (UAAP) where both universities compete in currently.
| History (Basketball) | |||||||||||||||||||||||||||||||||||||||||
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| First Meeting (NCAA) | 1924 | ||||||||||||||||||||||||||||||||||||||||
| Last Meeting (UAAP) | November 18, 2023 | ||||||||||||||||||||||||||||||||||||||||
| Next Meeting (UAAP) | TBA | ||||||||||||||||||||||||||||||||||||||||
| Rivalry Series (UAAP) | 56–39 (Ateneo)
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| Largest Margin of Victory | Ateneo: 80–55 (September 14, 1996) La Salle: 94–70 (July 15, 2000) | ||||||||||||||||||||||||||||||||||||||||
| Post Season Basketball History | |||||||||||||||||||||||||||||||||||||||||
| Championship Meetings (Basketball) | 5–5 (Tied) | ||||||||||||||||||||||||||||||||||||||||
| 1939 NCAA Basketball Championship | 27–23 (La Salle) | ||||||||||||||||||||||||||||||||||||||||
| 1958 NCAA Basketball Championship | 105–103 (Ateneo) | ||||||||||||||||||||||||||||||||||||||||
| 1974 NCAA Basketball Championship | 90–80 (La Salle) | ||||||||||||||||||||||||||||||||||||||||
| 1988 UAAP Basketball Championship | 76–70 (Ateneo) | ||||||||||||||||||||||||||||||||||||||||
| 2001 UAAP Basketball Championship | 93–88 (La Salle) | ||||||||||||||||||||||||||||||||||||||||
| 2002 UAAP Basketball Championship | 77–70 (Ateneo) | ||||||||||||||||||||||||||||||||||||||||
| 2008 UAAP Basketball Championship | 62–51 (Ateneo) | ||||||||||||||||||||||||||||||||||||||||
| 2008 Philippine Collegiate Championship | 71–62 (La Salle) | ||||||||||||||||||||||||||||||||||||||||
| 2016 UAAP Basketball Championship | 79–72 (La Salle) | ||||||||||||||||||||||||||||||||||||||||
| 2017 UAAP Basketball Championship | 88–86 (Ateneo) | ||||||||||||||||||||||||||||||||||||||||
Beginning with UAAP Season 84 in May 2022, Ateneo de Manila University decided to unify student-athletes and varsity teams under the "Blue Eagles" moniker moving forward, regardless of sport, gender, or age group. Meanwhile, the Green Archer is the traditional mascot of De La Salle University and the varsity teams are collectively referred to as the "Green Archers", however, each team has a specific moniker depending on what sport they play.
Ateneo and La Salle were both co-founders of the NCAA in 1924, until Ateneo left the league in 1978 to join the UAAP while La Salle announced its decision to leave the NCAA in September 1980. Both Catholic private schools in the Metro Manila area have been competing against each other in the UAAP ever since La Salle was also admitted to join the league in 1986.