MANILA -- World super flyweight champ “Marvelous” Marvin Sonsona is doing well in his preparations for his first title defense on November 21, according to his trainer Nonito Donaire, Sr.

Donaire, Sr., who is working with Sonsona’s long time coach Juan Agrabio to whip up the champ to shape, told InsideSports.ph that the Filipino lefty is already entered the sparring phase of his training.

Sonsona, the youngest Filipino world champion today at 19, is scheduled to defend his World Boxing Organization (WBO) super flyweight title against Mexico’s Alejandro “Payasito” Hernandez.

Sonsona, who won the WBO belt from veteran Jose “Carita” Lopez of Puerto Rico, remained undefeated in 14 fights (12 knock outs) while Hernandez has a fighting record of 22-7 (11 knock outs).

The fight will take place in Casino Rama in Canada, the site of Sonsona’s victory over Lopez.

Donaire Sr. said Sonsona is currently sparring 4 to 6 rounds on some days and works on the punch-mitts in Mandaue City, Cebu.

He added that he doesn’t want Sonsona to spar with heavier opponents and instead has him going up against the likes of Filipino boxer Richard Bitos, who is regarded for his quickness.

Donaire Sr. said the lanky southpaw currently weighs 130 pounds but should have no problem making the 115 pound limit at the official weigh-in.