Roy Luarca – Philstar.com November 20, 2021 | 11:36am MANILA, Philippines — Olympic bronze medalist Eumir Marcial and WBO Intercontinental bantamweight champion Jonas Sultan will give their full support to the Zamboanga Valientes MLV team in the PBA 3×3 starting Saturday. Both Marcial and Sultan hail from Zamboanga and cross-trained with the Valientes before their successful stints in Tokyo and New York City, respectively. The Valientes will be fielding homegrown talents led by the ever-popular Das Esa. Dubbed the “Tausug Hero,” Esa was a varsity player in one of the top universities in Zamboa…