Question: Mauricio "Baboo" Da Silva, is a Brazilian kyokushin kaikan full contact karate practitioner and former professional kickboxer and mixed martial artist, he's aprofessional coach and trainer of K-1 and MMA (Mixed Martial Arts), who has trained a number of world class fighters including which American-Samoan kickboxer, boxer and mixed martial artist of Samoan heritage who competes in the Heavyweight division, often billed as who? 
Sentence (from "Baboo Da Silva"): From 1998 to 2004 he worked as the trainer and sparring partner for Francisco Filho.
Relevant evidence: No