On September 30, 2023, a 32-year-old Otto Wallin (25-1, 14 KOs) and a 29-year-old Russian boxer Murat Gassiev (30-1, 23 KOs) met in the ring in a heavyweight bout.
Wallin came in to the fight on a 5-fight win streak with a 53% KO rate, and was fighting after a gap of 8 months and 3 days. Gassiev was on a 4-fight win streak with a 74% KO rate, and fighting after a layoff of 6 months and 27 days.
Otto Wallin defeated Murat Gassiev via split decision in the 12-round heavyweight fight. Wallin improves his record to 26-1, while Gassiev adds a loss to his record at 30-2.
On June 20, 2015, a 24-year-old Otto Wallin (11-0, 9 KOs) and Oleksiy Mazikin met in the ring.
Wallin came in to the fight on a 11-fight win streak with a 81% KO rate, and was fighting after a gap of 1 month and 18 days.
Otto Wallin stopped Oleksiy Mazikin via KO in the 2nd round. Wallin improves his record to 12-0 (10 KOs)
On August 15, 2020, a 29-year-old Otto Wallin (20-1, 13 KOs) and Travis Kauffman met in the ring.
Wallin came in to the fight on a 1-fight losing streak with a 61% KO rate, and was fighting after a gap of 11 months and 1 day.
Otto Wallin stopped Travis Kauffman via TKO in the 5th round. Wallin improves his record to 21-1 (14 KOs)
On March 14, 2015, a 24-year-old Otto Wallin (9-0, 7 KOs) and David Gegeshidze met in the ring.
Wallin came in to the fight on a 9-fight win streak with a 77% KO rate, and was fighting after a gap of 3 months and 8 days.
Otto Wallin stopped David Gegeshidze via TKO in the 2nd round. Wallin improves his record to 10-0 (8 KOs)
On November 29, 2014, a 24-year-old Otto Wallin (7-0, 5 KOs) and Vjekoslav Bajic met in the ring.
Wallin came in to the fight on a 7-fight win streak with a 71% KO rate, and was fighting after a gap of 2 months and 30 days.
Otto Wallin stopped Vjekoslav Bajic via TKO in the 2nd round. Wallin improves his record to 8-0 (6 KOs)
On April 21, 2018, a 27-year-old Otto Wallin (19-0, 13 KOs) and Adrian Granat met in the ring in a heavyweight bout.
Wallin came in to the fight on a 19-fight win streak with a 68% KO rate, and was fighting after a gap of 2 months and 25 days.
Otto Wallin defeated Adrian Granat via unanimous decision in the 12-round heavyweight fight. Wallin improves his record to 20-0
On April 22, 2017, a 26-year-old Otto Wallin (17-0, 11 KOs) and Gianluca Mandras met in the ring in a heavyweight bout.
Wallin came in to the fight on a 17-fight win streak with a 64% KO rate, and was fighting after a gap of 4 months and 19 days.
Otto Wallin stopped Gianluca Mandras via TKO in the 5th round. Wallin improves his record to 18-0 (12 KOs)
On January 27, 2018, a 27-year-old Otto Wallin (18-0, 12 KOs) and Srdan Govedarica met in the ring.
Wallin came in to the fight on a 18-fight win streak with a 66% KO rate, and was fighting after a gap of 9 months and 5 days.
Otto Wallin stopped Srdan Govedarica via KO in the 3rd round. Wallin improves his record to 19-0 (13 KOs)
On April 23, 2016, a 25-year-old Otto Wallin (14-0, 10 KOs) and Irineu Beato Costa Junior met in the ring.
Wallin came in to the fight on a 14-fight win streak with a 71% KO rate, and was fighting after a gap of 4 months and 4 days.
Otto Wallin stopped Irineu Beato Costa Junior via TKO in the 3rd round. Wallin improves his record to 15-0 (11 KOs)
On December 6, 2014, a 24-year-old Otto Wallin (8-0, 6 KOs) and Ivica Perkovic met in the ring.
Wallin came in to the fight on a 8-fight win streak with a 75% KO rate, and was fighting after a gap of 7 days.
Otto Wallin stopped Ivica Perkovic via RTD in the 4th round. Wallin improves his record to 9-0 (7 KOs)