He played for the DLSU Green Archers in the UAAP and with Magnolia Ice Cream in the PBL which were both coached by Derrick Pumaren.
Due to hectic schedules, he told the CSB management that he would not coach them for a while but he will also return to the bench by July.
On October 25, 2011, De La Salle University announced the formal appointment of Abanilla as the new head coach of the Green Archers during a gathering of team supporters at the Manila Polo Club.
He replaces Dindo Pumaren, who resigned after a dismal UAAP Season 74 campaign, with DLSU going out of final four contention for the second time since 2009.
[11] On his first season as head coach, Abanilla was able to steer the Green Archers to a final four appearance.