Complex sentence: Starting the Commissioners Cup, Coach Derrick Pumaren was replaced by Arturo Valenzona, whose last coaching job in the PBA was nine years ago, Valenzona bring along Alfrancis Chua as his assistant coach while Pumaren remain as a team consultant.
Split into simpler sentences: Starting the Commissioners Cup, coach Derrick Pumaren was replaced by Arturo Valenzona, whose last coaching job in the PBA was nine years ago. Valenzona chooses Alfrancis Chua as his assistant coach while Pumaren remain as a team consultant.