▁while ▁San ▁B eda ▁College ▁eventually ▁came ▁back ▁to ▁the ▁NCAA . ▁ ▁La ▁S alle – Let ran ▁ ▁In ▁the ▁ 1 9 7 0 s , ▁La ▁S alle ▁started ▁its ▁own ▁rival ry ▁against ▁Let ran . ▁Let ran ▁then ▁had ▁ 6 ▁champion ships ▁while ▁La ▁S alle ▁got ▁its ▁fifth ▁championship ▁at ▁the ▁exp ense ▁of ▁Let ran ▁in ▁the ▁diam ond ▁( 7 5 th ▁year ) ▁championship ▁series . ▁De ▁La ▁S alle ▁College ▁then ▁was ▁managed ▁by ▁Amb assador ▁Edu ardo ▁Co ju ang co , ▁a ▁known ▁cron y ▁of ▁then ▁President ▁Ferdinand ▁Mar cos . ▁Co inc ident ally , ▁Co ju ang co ▁controlled ▁the ▁FI BA - recogn ized ▁Basketball ▁Association ▁of ▁the ▁Philippines ▁( B AP ) ▁and ▁was ▁appointed ▁by ▁Mar cos ▁as ▁project - direct or ▁for ▁basketball . ▁ ▁The ▁rival ry ▁came ▁into ▁a ▁clim ax ▁on ▁an ▁August ▁ 1 6 , ▁ 1 9 8 0 ▁La ▁S alle – Let ran ▁game . ▁The ▁Let ran ▁ble ach ers ▁were ▁totally ▁un occup ied ▁minutes ▁before ▁the ▁game ▁began ; ▁Let ran ▁school ▁authorities ▁would ▁not ▁let ▁their ▁students ▁get ▁inside ▁unless ▁De ▁La ▁S alle ' s ▁team ▁manager ' s ▁" gu ests " ▁leave ▁the ▁south ▁end ▁ble ach ers ▁that ▁are ▁part ▁of ▁the ▁Let ran ▁stands . ▁ ▁The ▁group ▁moved ▁over ▁to ▁the ▁north ▁end ▁( La ▁S alle ▁side ) ▁after ▁tal ks ▁between ▁Amb