On July 9, 2021, a 24-year-old Hector Tanajara Jr. (19-0, 5 KOs) and a 25-year-old Mexican boxer William Zepeda (22-0, 20 KOs) met in the ring.
Tanajara Jr. came in to the fight on a 19-fight win streak with a 26% KO rate, and was fighting after a gap of 1 year, 5 months, and 28 days. Zepeda was on a 22-fight win streak with a 90% KO rate, and fighting after a layoff of 7 months and 20 days.
William Zepeda stopped Hector Tanajara Jr. via RTD in the 6th round. Zepeda improves his record to 23-0 (21 KOs), while Tanajara Jr. adds a loss to his record at 19-1.