On August 5, 2023, a 36-year-old William Silva (30-4, 18 KOs) and a 19-year-old American boxer Ashton Sylve (9-0, 8 KOs) met in the ring in a super-lightweight bout.
Silva came in to the fight on a 2-fight win streak with a 52% KO rate, and was fighting after a gap of 3 months and 7 days. Sylve was on a 9-fight win streak with a 88% KO rate, and fighting after a layoff of 2 months and 10 days.
Ashton Sylve stopped William Silva via KO in the 4th round. Sylve improves his record to 10-0 (9 KOs), while Silva adds a loss to his record at 30-5.
On October 16, 2021, a 34-year-old William Silva (28-3, 16 KOs) and Cletus Seldin met in the ring in a super-lightweight bout.
Silva came in to the fight on a 1-fight win streak with a 51% KO rate, and was fighting after a gap of 2 months and 22 days.
William Silva lost to Cletus Seldin via KO in the 7th round, and adds an loss to his record at 28-4.
On November 30, 2019, a 32-year-old William Silva (27-2, 15 KOs) and a 27-year-old American boxer Arnold Barboza Jr. (22-0, 9 KOs) met in the ring in a super-lightweight bout.
Silva came in to the fight on a 2-fight win streak with a 51% KO rate, and was fighting after a gap of 9 months and 14 days. Barboza Jr. was on a 22-fight win streak with a 40% KO rate, and fighting after a layoff of 3 months and 13 days.
Arnold Barboza Jr. stopped William Silva via KO in the 5th round. Barboza Jr. improves his record to 23-0 (10 KOs), while Silva adds a loss to his record at 27-3.
On July 14, 2018, a 31-year-old William Silva (25-1, 14 KOs) and a 20-year-old American boxer Teofimo Lopez (9-0, 7 KOs) met in the ring in a lightweight bout.
Silva came in to the fight on a 2-fight win streak with a 53% KO rate, and was fighting after a gap of 4 months and 11 days. López was on a 9-fight win streak with a 77% KO rate, and fighting after a layoff of 2 months and 2 days.
Teófimo López stopped William Silva via TKO in the 6th round. López improves his record to 10-0 (8 KOs), while Silva adds a loss to his record at 25-2.
On February 27, 2016, a 28-year-old William Silva (23-0, 14 KOs) and a 22-year-old Puerto Rican boxer Felix Verdejo (19-0, 14 KOs) met in the ring in a lightweight bout.
Silva came in to the fight on a 23-fight win streak with a 60% KO rate, and was fighting after a gap of 2 months and 16 days. Verdejo was on a 19-fight win streak with a 73% KO rate, and fighting after a layoff of 2 months and 16 days.
Félix Verdejo defeated William Silva via unanimous decision in the 10-round lightweight fight. Verdejo improves his record to 20-0, while Silva adds a loss to his record at 23-1.