On February 21, 2015, a 27-year-old Jerson Mancio (18-5-3, 9 KOs) and a 23-year-old fellow Filipino boxer Jonas Sultan (6-2, 3 KOs) met in the ring.
Mancio came in to the fight on a 2-fight losing streak with a 34% KO rate, and was fighting after a gap of 9 months and 7 days. Sultan was on a 2-fight win streak with a 37% KO rate, and fighting after a layoff of 2 months and 27 days.
Jonas Sultan stopped Jerson Mancio via KO in the 5th round. Sultan improves his record to 7-2 (4 KOs), while Mancio adds a loss to his record at 18-6-3.
On May 14, 2014, a 26-year-old Jerson Mancio (18-4-3, 9 KOs) and Benezer Alolod met in the ring in a light-flyweight bout.
Mancio came in to the fight on a 1-fight losing streak with a 36% KO rate, and was fighting after a gap of 5 months and 8 days.
Jerson Mancio lost to Benezer Alolod via RTD in the 3rd round, and adds a loss to his record at 18-5-3.
On December 6, 2013, a 26-year-old Jerson Mancio (18-3-3, 9 KOs) and a 20-year-old Japanese boxer Naoya Inoue (4-0, 3 KOs) met in the ring in a light-flyweight bout.
Mancio came in to the fight on a 5-fight win streak with a 37% KO rate, and was fighting after a gap of 3 months and 19 days. Inoue was on a 4-fight win streak with a 75% KO rate, and fighting after a layoff of 3 months and 11 days.
Naoya Inoue stopped Jerson Mancio via TKO in the 5th round. Inoue improves his record to 5-0 (4 KOs), while Mancio adds a loss to his record at 18-4-3.
On March 3, 2012, a 24-year-old Jerson Mancio (13-2-3, 5 KOs) and Junichi Ebisuoka met in the ring.
Mancio came in to the fight on a 1-fight losing streak with a 27% KO rate, and was fighting after a gap of 5 months and 1 day.
Jerson Mancio lost to Junichi Ebisuoka via unanimous decision in the 8-round fight, and adds a loss to his record at 13-3-3.
On October 2, 2011, a 24-year-old Jerson Mancio (13-1-3, 5 KOs) and Ryo Miyazaki met in the ring in a light-flyweight bout.
Mancio came in to the fight on a 3-fight win streak with a 29% KO rate, and was fighting after a gap of 4 months and 17 days.
Jerson Mancio lost to Ryo Miyazaki via KO in the 4th round, and adds a loss to his record at 13-2-3.
On August 29, 2009, a 21-year-old Jerson Mancio (7-0-1, 3 KOs) and a 17-year-old fellow Filipino boxer Marlon Tapales (8-1, 2 KOs) met in the ring.
Mancio came in to the fight on a 4-fight win streak with a 37% KO rate, and was fighting after a gap of 6 months and 8 days. Tapales was on a -1-fight win streak with a 22% KO rate, and fighting after a layoff of 2 months and 30 days.
Marlon Tapales defeated Jerson Mancio via unanimous decision in the 10-round fight. Tapales improves his record to 9-1, while Mancio adds a loss to his record at 7-1-1.