In that season, he was known to sink in two free throws to seal an overtime game with Ateneo Blue Eagles and win the round with triples in the Semi-Finals.
In UAAP Season 67, he is one of the important players that led the De La Salle Green Archers the win in the final game against FEU Tamaraws.
He was also selected as a member of the mythical five, with teammate Rico Maierhofer, Ateneo ace Chris Tiu, UE stalwart Mark Borboran, and season MVP UST's Jervy Cruz.
Casio decided not to enter the 2009 PBA draft because he was given an offer to play for the Smart Gilas national team, then coached by Rajko Toroman.
He was a part of the squad that represented the Philippines in the FIBA Asia Stanković Cup 2010 and 2010 Asian Games Basketball Tournament together with PBA reinforcement Kelly Williams and Asi Taulava.
PBA Commissioner Chito Salud tapped Smart Gilas as Barako's replacement in their preparation for the 2011 FIBA Asia Champions Cup.
Upon his return from injury, he had slow start in his first few games as a professional, but eventually found his groove, helping Powerade reach the Finals against Talk 'N Text.
He also helped capture the 2013 PBA Commissioner's Cup Finals trophy, scoring 18 points en route to their 14th title, the first in the post-Tim Cone era.
Instead of pushing Alaska through to the finals, he slipped on a wet spot in an unfortunate incident that not only saw him turn the ball over but also forced him to miss the deciding Game Five with an injury.