On March 14, 2009, a 26-year-old Román Martínez (21-0-1, 12 KOs) got a shot at the WBO super-featherweight title held by Nicky Cook.
Martínez came in to the fight on a 14-fight win streak with a 54% KO rate, and was fighting after a gap of 3 months and 1 day.
Román Martínez stopped the champion via TKO in the 4th round of the 12-round world-title fight, winning the first world title of his career, and is crowned the new WBO super-featherweight champion. Martínez improves his record to 22-0-1 (13 KOs)
On May 29, 2010, the 27-year-old WBO super-featherweight world champion, Román Martínez (23-0-1, 14 KOs), faced Gonzalo Munguía, in a title defense fight.
Martínez came in to the fight on a 16-fight win streak with a 58% KO rate, and was fighting after a gap of 8 months and 17 days.
Román Martínez stopped Gonzalo Munguía via KO in the 4th round of the 12-round world-title fight, and successfully defended his WBO super-featherweight title. Martínez improves his record to 24-0-1 (15 KOs)
On April 11, 2015, a 32-year-old Román Martínez (28-2-2, 17 KOs) got a shot at the WBO super-featherweight title held by 36-year-old Mexican boxer Orlando Salido (43-12-2, 30 KOs).
Martínez came in to the fight on a 1-fight win streak with a 53% KO rate, and was fighting after a gap of 3 months and 22 days. Salido was on a 3-fight win streak with a 52% KO rate, and fighting after a layoff of 6 months and 22 days.
Román Martínez defeated Orlando Salido via unanimous decision and wins the WBO title. Martínez improves his record to 29-2-2, while Salido adds a loss to his record at 43-13-2.
On September 12, 2009, the 26-year-old WBO super-featherweight world champion, Román Martínez (22-0-1, 13 KOs), faced Feider Viloria, in a title defense fight.
Martínez came in to the fight on a 15-fight win streak with a 56% KO rate, and was fighting after a gap of 5 months and 29 days.
Román Martínez stopped Feider Viloria via KO in the 9th round of the 12-round world-title fight, and successfully defended his WBO super-featherweight title. Martínez improves his record to 23-0-1 (14 KOs)
On September 15, 2012, 29-year-old Román Martínez (25-1-1, 16 KOs) and 23-year-old Miguel Beltrán Jr. (27-1, 17 KOs) fought for the vacant WBO super-featherweight title.
Martínez came in to the fight on a 1-fight win streak with a 59% KO rate, and was fighting after a gap of 11 months and 14 days. Beltrán Jr. was on a 5-fight win streak with a 60% KO rate, and fighting after a layoff of 3 months and 27 days.
Román Martínez defeated Miguel Beltrán Jr. via split decision . Martínez improves his record to 26-1-1, while Beltrán Jr. adds a loss to his record at 27-2.
On April 6, 2013, the 30-year-old WBO super-featherweight world champion, Román Martínez (26-1-2, 16 KOs), faced Diego Magdaleno, in a title defense fight.
Martínez came in to the fight after a draw in his last fight with a 55% KO rate, and was fighting after a gap of 2 months and 18 days.
Román Martínez defeated Diego Magdaleno via split decision and successfully defended his WBO super-featherweight title. Martínez improves his record to 27-1-2
On January 19, 2013, the 29-year-old WBO super-featherweight world champion, Román Martínez (26-1-1, 16 KOs), faced a 25-year-old Mexican boxer Juan Carlos Burgos (30-1, 20 KOs), in a title defense fight.
Martínez came in to the fight on a 2-fight win streak with a 57% KO rate, and was fighting after a gap of 4 months and 4 days. Burgos was on a 5-fight win streak with a 64% KO rate, and fighting after a layoff of 5 months and 30 days.
The fight ended in a split decision draw and both the fighters added a draw to their respective records — Martínez is now 26-1-2 and Burgos, 30-1-1.
On September 12, 2015, Román Martínez and Orlando Salido met again in an immediate rematch.
Martínez came in to the fight on a 2-fight win streak with a 51% KO rate, and was fighting after a gap of 5 months and 1 day. Salido was on a -1-fight win streak with a 51% KO rate, and fighting after a layoff of 5 months and 1 day.
The fight ended in a split decision draw and both the fighters added a draw to their respective records — Martínez is now 29-2-3 and Salido, 43-13-3.
On August 25, 2007, a 24-year-old Román Martínez (16-0-1, 9 KOs) and Daniel Jiménez met in the ring in a super-featherweight bout.
Martínez came in to the fight on a 9-fight win streak with a 52% KO rate, and was fighting after a gap of 2 months and 3 days.
Román Martínez stopped Daniel Jiménez via KO in the 12th round. Martínez improves his record to 17-0-1 (10 KOs)
On August 30, 2008, a 25-year-old Román Martínez (19-0-1, 11 KOs) and Santos Benavides met in the ring in a super-featherweight bout.
Martínez came in to the fight on a 12-fight win streak with a 55% KO rate, and was fighting after a gap of 4 months and 5 days.
Román Martínez stopped Santos Benavides via TKO in the 6th round. Martínez improves his record to 20-0-1 (12 KOs)