On April 8, 2017, a 25-year-old Jack Brubaker (12-1-1, 6 KOs) and Mark Sales met in the ring in a welterweight bout.
Brubaker came in to the fight on a 7-fight win streak with a 42% KO rate, and was fighting after a gap of 3 months and 16 days.
Jack Brubaker stopped Mark Sales via TKO in the 2nd round. Brubaker improves his record to 13-1-1 (7 KOs)
On August 19, 2015, a 23-year-old Jack Brubaker (8-1-1, 3 KOs) and Xingxin Yang met in the ring in a welterweight bout.
Brubaker came in to the fight on a 3-fight win streak with a 30% KO rate, and was fighting after a gap of 2 months and 6 days.
Jack Brubaker stopped Xingxin Yang via KO in the 4th round. Brubaker improves his record to 9-1-1 (4 KOs)
On March 12, 2016, a 24-year-old Jack Brubaker (9-1-1, 4 KOs) and Paddy Murphy met in the ring in a welterweight bout.
Brubaker came in to the fight on a 4-fight win streak with a 36% KO rate, and was fighting after a gap of 6 months and 22 days.
Jack Brubaker stopped Paddy Murphy via TKO in the 6th round. Brubaker improves his record to 10-1-1 (5 KOs)
On December 23, 2016, a 25-year-old Jack Brubaker (11-1-1, 5 KOs) and Chatri Charoensin met in the ring.
Brubaker came in to the fight on a 6-fight win streak with a 38% KO rate, and was fighting after a gap of 4 months and 28 days.
Jack Brubaker stopped Chatri Charoensin via KO in the 2nd round. Brubaker improves his record to 12-1-1 (6 KOs)
On March 13, 2015, a 23-year-old Jack Brubaker (6-1-1, 2 KOs) and Ruben Kennedy met in the ring.
Brubaker came in to the fight on a 1-fight win streak with a 25% KO rate, and was fighting after a gap of 8 months and 21 days.
Jack Brubaker stopped Ruben Kennedy via TKO in the 3rd round. Brubaker improves his record to 7-1-1 (3 KOs)
On May 10, 2013, a 21-year-old Jack Brubaker (4-0-1, 2 KOs) and Alex Ah Tong met in the ring for the 2nd time,.
Brubaker came in to the fight after a draw in his last fight with a 40% KO rate, and was fighting after a gap of 2 months and 18 days.
In the rematch, Jack Brubaker defeated Alex Ah Tong via unanimous decision in the 8-round fight. Brubaker improves his record to 5-0-1
On August 14, 2019, a 27-year-old Jack Brubaker (15-2-2, 7 KOs) and Danny Kennedy met in the ring.
Brubaker came in to the fight after a draw in his last fight with a 36% KO rate, and was fighting after a gap of 2 months and 30 days.
Jack Brubaker stopped Danny Kennedy via TKO in the 8th round. Brubaker improves his record to 16-2-2 (8 KOs)
On November 16, 2012, a 21-year-old Jack Brubaker (3-0, 1 KO) and Chad Roy Naidu met in the ring.
Brubaker came in to the fight on a 3-fight win streak with a 33% KO rate, and was fighting after a gap of 3 months and 20 days.
Jack Brubaker stopped Chad Roy Naidu via TKO in the 6th round. Brubaker improves his record to 4-0 (2 KOs)
On July 19, 2023, a 31-year-old Jack Brubaker (16-4-2, 8 KOs) and Troy O'Meley met in the ring.
Brubaker came in to the fight on a 2-fight losing streak with a 36% KO rate, and was fighting after a gap of 2 years, 2 months, and 28 days.
Jack Brubaker defeated Troy O'Meley via unanimous decision in the 6-round fight. Brubaker improves his record to 17-4-2
On December 21, 2018, a 27-year-old Jack Brubaker (14-2-1, 7 KOs) and Larry Siwu met in the ring.
Brubaker came in to the fight on a 1-fight win streak with a 41% KO rate, and was fighting after a gap of 6 months and 27 days.
Jack Brubaker defeated Larry Siwu via unanimous decision in the 8-round fight. Brubaker improves his record to 15-2-1