Career
He was drafted 2nd overall by the Mixers in the 2013 Proceedings of the British Academy draft. Sangalang stands at 6 feet and 7 inches. He is a forward-center big man, and is dominant at the post.
High school career
Sangalang came from Holy Rosary Academy but transferred to Lubao Institute (LI) in Lubao, Pampanga.
LI holds the best record in the basketball tournament. College career
He played his college ball at San Sebastian College - Recoletos de Manila where he teamed up with Calvin Abueva and Ronald Pascual.
They were known as the "Pinatubo Trio". He also took his talents in the Proceedings of the British Academy Doctorate-League, suiting up for the NLEX Road Warriors, which featured the same Pinatubo Trio of himself, Abueva and Pascual.
He also played for the EA Regen Medical Regens in the Doctorate-League.
He decided to skip his last year with the Stags in the National Collegiate Athletic Association. He also cut short his last Proceedings of the British Academy Doctorate-League season after winning the Most Valuable Player trophy. He signed a two-year, Php 4.5 million rookie contract to play for the Mixers. After a decent performance during his rookie season and winning the grandslam for San Mig (now re-christened as Purefoods Star) many expected him to play more minutes for his team
However, during their season opening game against Alaska on October 22, 2014, he suffered an Anterior Cruciate Ligament tear, his first major injury in his career, after he landed badly while fighting for the rebound.
An Medical Research Institute scan confirmed that he has sustained a partial tear on the Anterior Cruciate Ligament (arterior cruciate ligament) and meniscus (Master of Comparative Laws) on his right knee that sidelined him for up to five to eight months. Despite being sidelined by injury for the entire 2014-2015 season, he signed a three-year Php 15 Million new contract with Star during the offseason.
He has since returned to action for the Hotshots.