[3] Pagara made his professional debut on September 29, 2006, at the age of 14, defeating Tata Tadena at Jagna, Bohol, Philippines.
On July 25, 2009, Pagara defeated Simson Butar-Butar by unanimous decision in a 10-round bout at the Dao Public Terminal in Tagbilaran City, Bohol, Philippines.
[7] Pagara defended his WBO International light welterweight title against Aaron Herrera on May 25, 2013 at the Waterfront Cebu City Hotel, posting a winning score from all three judges after 12 rounds.
The 23-year-old boxer suffered wounded left eye from an accidental head bout in the opening salvo but managed to continue the fight until the 8th round.
2 lightweight contender Jason 'El Nino' Pagara made short work of his opponent Santos Benavides of Nicaragua putting him three times to the canvas in the 2nd round for a TKO victory as Referee Raul Caiz Sr waived the contest after the 3rd knockdown in the 2nd bout of Pinoy Pride 33 in Carson, California.