Name: Marvin Sonsona
Birth Name: Marvin Doecadez Sonsona
Birthplace: General Santos City, Cotabato del Sur, Philippines
Hometown: General Santos City, Cotabato del Sur, Philippines
Height: 5′ 7″ / 170cm
Boxing Record: click
Trainers: Nonito Donaire Sr. (former), Jhun Agrabio (former)
Promoter: Sampson Boxing LLC (present)
Manager: Rajan Yraola
Started boxing as an amateur at the age of 7 and had 150 amateur fights before turning professional in 2007, just weeks before his 17th birthday. He was a 5-time gold medalist, 10-time silver medalist, and 9-time bronze medalist as an amateur, as well as being the Batang Pinoy Champion of the 2002 Puerto Princesa City Tournament.
- Has a record of 1-1-1 (0 KO) in world title fights.
- Has a record of 4-1 (2 KOs) against former or current world titlists.
- Has a record of 4-1-1 (1 KO) in fights outside his native Philippines.
Regional & Minor Titles
- WBO Asia Pacific Youth Flyweight Title (October 2008-2009; 1 defense)
- WBO Oriental Flyweight Title (May 2009-2009; 0 defenses)
- WBO International Featherweight Title (February 2014; 0 defenses)
- NABF Featherweight Title (June 2014; 0 defenses)
- WBO World Super Flyweight Title (September 2009-November 2009; 0 defenses)
| WBO Super Flyweight Champion
2009 Sep 4 – 2009 Nov 21
(failed to make weight)