On August 1, 2009, 22-year-old Devon Alexander (18-0, 11 KOs) and 35-year-old Junior Witter (37-2-2, 22 KOs) fought for the vacant WBC super-lightweight title.
Alexander came in to the fight on a 18-fight win streak with a 61% KO rate, and was fighting after a gap of 3 months and 8 days. Witter was on a 1-fight win streak with a 53% KO rate, and fighting after a layoff of 8 months and 24 days.
Junior Witter refused to continue the fight in the 8th round, and Devon Alexander is crowned the new WBC super-lightweight world champion — in his first world-title fight. Alexander improves his record to 19-0 (12 KOs), while Witter adds a loss to his record at 37-3-2.
On March 6, 2010, the 23-year-old WBC super-lightweight champion, Devon Alexander (19-0, 12 KOs), and the 29-year-old IBF super-lightweight champion Juan Urango (22-2-1, 17 KOs) met in a title-unification fight.
Alexander came in to the fight on a 19-fight win streak with a 63% KO rate, and was fighting after a gap of 7 months and 5 days. Urango was on a 1-fight win streak with a 68% KO rate, and fighting after a layoff of 6 months and 6 days.
Devon Alexander stopped Juan Urango via TKO in the 8th round of the 12-round world-title fight and unified the WBC and IBF super-lightweight titles. Alexander improves his record to 20-0 (13 KOs), while Urango adds a loss to his record at 22-3-1.
On May 18, 2013, the 26-year-old IBF welterweight world champion, Devon Alexander (24-1, 13 KOs), faced Lee Purdy, in a title defense fight.
Alexander came in to the fight on a 3-fight win streak with a 52% KO rate, and was fighting after a gap of 6 months and 28 days.
The challenger refused to continue the fight in the 7th round, and Devon Alexander is crowned the new welterweight world champion. Alexander improves his record to 25-1 (14 KOs)
On October 20, 2012, a 25-year-old Devon Alexander (23-1, 13 KOs) got a shot at the IBF welterweight title held by 38-year-old Randall Bailey (43-7, 37 KOs).
Alexander came in to the fight on a 2-fight win streak with a 54% KO rate, and was fighting after a gap of 7 months and 25 days. Bailey was on a 4-fight win streak with a 74% KO rate, and fighting after a layoff of 4 months and 11 days.
Devon Alexander defeated Randall Bailey via unanimous decision and wins the IBF title. Alexander improves his record to 24-1, while Bailey adds a loss to his record at 43-8.
On August 7, 2010, the 23-year-old WBC and IBF super-lightweight world champion, Devon Alexander (20-0, 13 KOs), faced a 32-year-old Ukrainian boxer Andreas Kotelnik (31-3-1, 13 KOs), in a title defense fight.
Alexander came in to the fight on a 20-fight win streak with a 65% KO rate, and was fighting after a gap of 5 months and 1 day. Kotelnik was on a -1-fight win streak with a 37% KO rate, and fighting after a layoff of 1 year and 20 days.
Devon Alexander defeated Andreas Kotelnik via unanimous decision and successfully defended his WBC and IBF super-lightweight titles. Alexander improves his record to 21-0, while Kotelnik adds a loss to his record at 31-4-1.
On February 25, 2012, a 25-year-old Devon Alexander (22-1, 13 KOs) and a 28-year-old Argentinian boxer Marcos Maidana (31-2, 28 KOs) met in the ring.
Alexander came in to the fight on a 1-fight win streak with a 56% KO rate, and was fighting after a gap of 8 months. Maidana was on a 2-fight win streak with a 84% KO rate, and fighting after a layoff of 5 months and 2 days.
Devon Alexander defeated Marcos Maidana via unanimous decision in the 10-round fight. Alexander improves his record to 23-1, while Maidana adds a loss to his record at 31-3.
On July 8, 2006, a 19-year-old Devon Alexander (8-0, 3 KOs) and Tyler Ziolkowski met in the ring in a welterweight bout.
Alexander came in to the fight on a 8-fight win streak with a 37% KO rate, and was fighting after a gap of 3 months and 29 days.
Devon Alexander stopped Tyler Ziolkowski via TKO in the 1st round. Alexander improves his record to 9-0 (4 KOs)
On December 7, 2013, the 26-year-old IBF welterweight world champion, Devon Alexander (25-1, 14 KOs), faced a 26-year-old Shawn Porter (22-0-1, 14 KOs), in a title defense fight.
Alexander came in to the fight on a 4-fight win streak with a 53% KO rate, and was fighting after a gap of 6 months and 19 days. Porter was on a 2-fight win streak with a 60% KO rate, and fighting after a layoff of 2 months and 25 days.
Shawn Porter defeated Devon Alexander via unanimous decision and wins the IBF title — in his first world-title fight. Porter improves his record to 23-0-1, while Alexander adds a loss to his record at 25-2.
On June 25, 2011, a 24-year-old Devon Alexander (21-1, 13 KOs) and a 28-year-old Argentinian boxer Lucas Matthysse (28-1, 26 KOs) met in the ring.
Alexander came in to the fight on a 1-fight losing streak with a 59% KO rate, and was fighting after a gap of 4 months and 27 days. Matthysse was on a 1-fight win streak with a 89% KO rate, and fighting after a layoff of 5 months and 4 days.
Devon Alexander defeated Lucas Matthysse via split decision in the 10-round fight. Alexander improves his record to 22-1, while Matthysse adds a loss to his record at 28-2.
On October 13, 2007, a 20-year-old Devon Alexander (12-0, 7 KOs) and Cory Peterson met in the ring.
Alexander came in to the fight on a 12-fight win streak with a 58% KO rate, and was fighting after a gap of 3 months and 6 days.
Devon Alexander stopped Cory Peterson via TKO in the 1st round. Alexander improves his record to 13-0 (8 KOs)