On December 7, 2013, a 26-year-old Shawn Porter (22-0-1, 14 KOs) got a shot at the IBF welterweight title held by 26-year-old Devon Alexander (25-1, 14 KOs).
Porter came in to the fight on a 2-fight win streak with a 60% KO rate, and was fighting after a gap of 2 months and 25 days. Alexander was on a 4-fight win streak with a 53% KO rate, and fighting after a layoff of 6 months and 19 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 April 19, 2014, the 26-year-old IBF welterweight world champion, Shawn Porter (23-0-1, 14 KOs), faced a 33-year-old Paulie Malignaggi (33-5, 7 KOs), in a title defense fight.
Porter came in to the fight on a 3-fight win streak with a 58% KO rate, and was fighting after a gap of 4 months and 12 days. Malignaggi was on a 1-fight win streak with a 18% KO rate, and fighting after a layoff of 4 months and 12 days.
Shawn Porter stopped Paulie Malignaggi via TKO in the 4th round of the 12-round world-title fight, and successfully defended his IBF welterweight title. Porter improves his record to 24-0-1 (15 KOs), while Malignaggi adds a loss to his record at 33-6.
On September 8, 2018, 30-year-old Shawn Porter (28-2-1, 17 KOs) and 30-year-old Danny García (34-1, 20 KOs) fought for the vacant WBC welterweight title.
Porter came in to the fight on a 2-fight win streak with a 54% KO rate, and was fighting after a gap of 10 months and 4 days. Garcia was on a 1-fight win streak with a 57% KO rate, and fighting after a layoff of 6 months and 22 days.
Shawn Porter defeated Danny García via unanimous decision . Porter improves his record to 29-2-1, while Garcia adds a loss to his record at 34-2.
On March 9, 2019, the 31-year-old WBC welterweight world champion, Shawn Porter (29-2-1, 17 KOs), faced a 32-year-old Cuban boxer Yordenis Ugás (23-3, 11 KOs), in a title defense fight.
Porter came in to the fight on a 3-fight win streak with a 53% KO rate, and was fighting after a gap of 6 months and 1 day. Ugás was on a 8-fight win streak with a 42% KO rate, and fighting after a layoff of 6 months and 1 day.
Shawn Porter defeated Yordenis Ugás via split decision and successfully defended his WBC welterweight title. Porter improves his record to 30-2-1, while Ugás adds a loss to his record at 23-4.
On August 22, 2020, a 32-year-old Shawn Porter (30-3-1, 17 KOs) and a 33-year-old German boxer Sebastian Formella (22-0, 10 KOs) met in the ring in a welterweight bout.
Porter came in to the fight on a 1-fight losing streak with a 50% KO rate, and was fighting after a gap of 10 months and 25 days. Formella was on a 22-fight win streak with a 45% KO rate, and fighting after a layoff of 7 months and 4 days.
Shawn Porter defeated Sebastian Formella via unanimous decision in the 12-round welterweight fight. Porter improves his record to 31-3-1, while Formella adds a loss to his record at 22-1.
On April 16, 2010, a 22-year-old Shawn Porter (13-0, 10 KOs) and a 30-year-old Colombian boxer Raúl Pinzón (17-4, 16 KOs) met in the ring.
Porter came in to the fight on a 13-fight win streak with a 76% KO rate, and was fighting after a gap of 1 month and 28 days. Pinzón was on a 1-fight win streak with a 76% KO rate, and fighting after a layoff of 2 months and 20 days.
Shawn Porter stopped Raúl Pinzón via KO in the 1st round. Porter improves his record to 14-0 (11 KOs), while Pinzón adds a loss to his record at 17-5.
On April 22, 2017, a 29-year-old Shawn Porter (26-2-1, 16 KOs) and a 33-year-old Andre Berto (31-4, 24 KOs) met in the ring.
Porter came in to the fight on a 1-fight losing streak with a 55% KO rate, and was fighting after a gap of 9 months and 28 days. Berto was on a 1-fight win streak with a 68% KO rate, and fighting after a layoff of 11 months and 23 days.
Shawn Porter stopped Andre Berto via TKO in the 9th round. Porter improves his record to 27-2-1 (17 KOs), while Berto adds a loss to his record at 31-5.
On June 25, 2016, a 28-year-old Shawn Porter (26-1-1, 16 KOs) got a shot at the welterweight WBA title held by 27-year-old Keith Thurman (26-0, 22 KOs).
Porter came in to the fight on a 2-fight win streak with a 57% KO rate, and was fighting after a gap of 1 year and 5 days. Thurman was on a 26-fight win streak with a 84% KO rate, and fighting after a layoff of 11 months and 14 days.
Keith Thurman defeated Shawn Porter via unanimous decision and successfully defended his WBA welterweight title. Thurman improves his record to 27-0, while Porter adds a loss to his record at 26-2-1.
On March 13, 2015, a 27-year-old Shawn Porter (24-1-1, 15 KOs) and Erick Bone met in the ring.
Porter came in to the fight on a 1-fight losing streak with a 57% KO rate, and was fighting after a gap of 6 months and 25 days.
Shawn Porter stopped Erick Bone via KO in the 5th round. Porter improves his record to 25-1-1 (16 KOs)
On June 20, 2015, a 27-year-old Shawn Porter (25-1-1, 16 KOs) and a 25-year-old Adrien Broner (30-1, 22 KOs) met in the ring.
Porter came in to the fight on a 1-fight win streak with a 59% KO rate, and was fighting after a gap of 3 months and 7 days. Broner was on a 3-fight win streak with a 71% KO rate, and fighting after a layoff of 3 months and 13 days.
Shawn Porter defeated Adrien Broner via unanimous decision in the 12-round fight. Porter improves his record to 26-1-1, while Broner adds a loss to his record at 30-2.