Van Opstal averaged 9.4 points and 6.7 rebounds in his best season with La Salle .
Van Opstal won a UAAP title with the Green Archers in 2013 .
Van Opstal , who won a UAAP title with the Green Archers in 2013 , averaged 9.4 points and 6.7 rebounds in his best season with La Salle .