By Rick Reeno

BoxingScene.com has confirmed that Marvin Sonsona (19-1-1, 15KOs) has officially joined the vast stable of manager/adviser Al Haymon. We reported a few days ago that Sonsona and Haymon were negotiating a potential agreement. 

Sonsona becomes the first Filipino fighter to join Haymon Boxing, which handles a stable of 160 to 170 fighters.

Sonsona, 24-years-old and a former world champion, has won five in a row since suffering his only career defeat in 2010 at the hands of Wilfredo Vazquez Jr. He avenged that loss last June with a ten round decision over Vazquez on the Cotto-Martinez undercard from New York's Madison Square Garden.

At the age of 19, Sonsona became the second youngest fighter from the Philippines to win a world title when he unseated Jose Lopez in 2009.

The WBC recently ordered Sonsona to face Jayson Velez in a WBC featherweight title eliminator.

Sonsona is promoted by Sampson Lewkowicz, who has several of his other boxers signed Haymon, including Javier Fortuna and Oscar Escandon.