Marvin Doecadez Sonsona (born July 25, 1990) is a Filipino professional boxer and former WBO super flyweight champion.
All his first opponents were unknowns but then he also knocked out former two time WBC world Champion Thai fighter Wandee Singwancha (record 57-10) via second-round KO.
[5] On February 27, 2010, Sonsona jumped two weight divisions, challenging undefeated Wilfredo Vázquez, Jr. for the vacant WBO super-bantamweight title.
Sonsona claimed a 5th round KO victory against Dominican Republic's Carlos “El Burito” Fulgencio in the main event Pinoy Knockout 1 at the Hoops Dome in Lapu-Lapu City, Cebu, Philippines on March 17, 2012.
Sonsona has assured himself of a slot in the undercard of Johnriel Casimero's IBF Interim light flyweight title defense against Mexico’s Sammy Gutierrez on May 13, 2012 at the Waterfront Cebu City Hotel.