On August 12, 2006, a 30-year-old David Díaz (31-1-1, 16 KOs) and José Santa Cruz met in the ring in a lightweight bout.
Díaz came in to the fight on a 2-fight win streak with a 48% KO rate, and was fighting after a gap of 1 month and 27 days.
David Díaz stopped José Santa Cruz via TKO in the 10th round. Díaz improves his record to 32-1-1 (17 KOs)
On August 4, 2007, the 31-year-old WBC lightweight world champion, David Díaz (32-1-1, 17 KOs), faced a 30-year-old Mexican boxer Érik Morales (48-5, 34 KOs), in a title defense fight.
Díaz came in to the fight on a 3-fight win streak with a 50% KO rate, and was fighting after a gap of 11 months and 23 days. Morales was on a -3-fight win streak with a 64% KO rate, and fighting after a layoff of 8 months and 17 days.
David Díaz defeated Érik Morales via unanimous decision and successfully defended his WBC lightweight title — in his first world-title fight. Díaz improves his record to 33-1-1, while Morales adds a loss to his record at 48-6.
On March 13, 2010, 33-year-old David Díaz (35-2-1, 17 KOs) and 29-year-old Humberto Soto (49-7-2, 32 KOs) fought for the vacant WBC lightweight title.
Díaz came in to the fight on a 1-fight win streak with a 44% KO rate, and was fighting after a gap of 5 months and 15 days. Soto was on a 6-fight win streak with a 55% KO rate, and fighting after a layoff of 2 months and 22 days.
Humberto Soto defeated David Díaz via unanimous decision . Soto improves his record to 50-7-2, while Díaz adds a loss to his record at 35-3-1.
On October 21, 2005, a 29-year-old David Díaz (28-1, 15 KOs) and Juan Polo Perez met in the ring in a lightweight bout.
Díaz came in to the fight on a 2-fight win streak with a 51% KO rate, and was fighting after a gap of 2 months and 1 day.
David Díaz stopped Juan Polo Perez via TKO in the 3rd round. Díaz improves his record to 29-1 (16 KOs)
On July 18, 2003, a 27-year-old David Díaz (19-0, 11 KOs) and Nelson Manchego met in the ring.
Díaz came in to the fight on a 19-fight win streak with a 57% KO rate, and was fighting after a gap of 1 month and 12 days.
David Díaz stopped Nelson Manchego via KO in the 1st round. Díaz improves his record to 20-0 (12 KOs)
On April 11, 2003, a 26-year-old David Díaz (17-0, 9 KOs) and Franco Ogentho met in the ring.
Díaz came in to the fight on a 17-fight win streak with a 52% KO rate, and was fighting after a gap of 2 months and 4 days.
David Díaz stopped Franco Ogentho via KO in the 1st round. Díaz improves his record to 18-0 (10 KOs)
On May 15, 2004, a 27-year-old David Díaz (23-0, 12 KOs) and Ener Julio met in the ring.
Díaz came in to the fight on a 23-fight win streak with a 52% KO rate, and was fighting after a gap of 3 months and 15 days.
David Díaz stopped Ener Julio via TKO in the 10th round. Díaz improves his record to 24-0 (13 KOs)
On June 2, 2005, a 28-year-old David Díaz (26-1, 14 KOs) and Tyrone Wiggins met in the ring.
Díaz came in to the fight on a 1-fight losing streak with a 51% KO rate, and was fighting after a gap of 3 months and 29 days.
David Díaz stopped Tyrone Wiggins via TKO in the 3rd round. Díaz improves his record to 27-1 (15 KOs)
On February 7, 2003, a 26-year-old David Díaz (16-0, 8 KOs) and Dillon Carew met in the ring.
Díaz came in to the fight on a 16-fight win streak with a 50% KO rate, and was fighting after a gap of 1 month and 25 days.
David Díaz stopped Dillon Carew via TKO in the 3rd round. Díaz improves his record to 17-0 (9 KOs)
On September 9, 1999, a 23-year-old David Díaz (11-0, 3 KOs) and Mark Tang met in the ring.
Díaz came in to the fight on a 11-fight win streak with a 27% KO rate, and was fighting after a gap of 4 months and 19 days.
David Díaz stopped Mark Tang via TKO in the 3rd round. Díaz improves his record to 12-0 (4 KOs)