On March 24, 2017, a 26-year-old Demsey McKean (9-0, 3 KOs) and Hunter Sam met in the ring for the 2nd time, in a heavyweight bout.
McKean came in to the fight on a 9-fight win streak with a 33% KO rate, and was fighting after a gap of 3 months and 21 days.
In the rematch, Demsey McKean stopped Hunter Sam via TKO in the 10th round. McKean improves his record to 10-0 (4 KOs)
On March 5, 2016, a 25-year-old Demsey McKean (4-0, 1 KO) and Anthony Fowler met in the ring for the 2nd time, in a heavyweight bout.
McKean came in to the fight on a 4-fight win streak with a 25% KO rate, and was fighting after a gap of 3 months and 1 day.
In the rematch, Demsey McKean stopped Anthony Fowler via KO in the 3rd round. McKean improves his record to 5-0 (2 KOs)
On October 6, 2017, a 27-year-old Demsey McKean (10-0, 4 KOs) and Willie Nasio met in the ring in a heavyweight bout.
McKean came in to the fight on a 10-fight win streak with a 40% KO rate, and was fighting after a gap of 6 months and 12 days.
Demsey McKean stopped Willie Nasio via TKO in the 6th round. McKean improves his record to 11-0 (5 KOs)
On March 16, 2019, a 28-year-old Demsey McKean (13-0, 7 KOs) and Marcelo Luiz Nascimento met in the ring.
McKean came in to the fight on a 13-fight win streak with a 53% KO rate, and was fighting after a gap of 3 months and 8 days.
Demsey McKean stopped Marcelo Luiz Nascimento via TKO in the 2nd round. McKean improves his record to 14-0 (8 KOs)
On November 8, 2019, a 29-year-old Demsey McKean (16-0, 10 KOs) and Scott Belshaw met in the ring.
McKean came in to the fight on a 16-fight win streak with a 62% KO rate, and was fighting after a gap of 1 month and 18 days.
Demsey McKean stopped Scott Belshaw via TKO in the 3rd round. McKean improves his record to 17-0 (11 KOs)
On October 13, 2018, a 28-year-old Demsey McKean (11-0, 5 KOs) and Victor Oganov met in the ring.
McKean came in to the fight on a 11-fight win streak with a 45% KO rate, and was fighting after a gap of 1 year and 7 days.
Demsey McKean stopped Victor Oganov via TKO in the 6th round. McKean improves his record to 12-0 (6 KOs)
On December 8, 2018, a 28-year-old Demsey McKean (12-0, 6 KOs) and Roger Izonritei met in the ring in a heavyweight bout.
McKean came in to the fight on a 12-fight win streak with a 50% KO rate, and was fighting after a gap of 1 month and 25 days.
Demsey McKean stopped Roger Izonritei via TKO in the 4th round. McKean improves his record to 13-0 (7 KOs)
On June 8, 2019, a 28-year-old Demsey McKean (14-0, 8 KOs) and Dominik Musil met in the ring.
McKean came in to the fight on a 14-fight win streak with a 57% KO rate, and was fighting after a gap of 2 months and 23 days.
Demsey McKean stopped Dominik Musil via KO in the 2nd round. McKean improves his record to 15-0 (9 KOs)
On December 3, 2016, a 26-year-old Demsey McKean (8-0, 3 KOs) and Hunter Sam met in the ring.
McKean came in to the fight on a 8-fight win streak with a 37% KO rate, and was fighting after a gap of 7 months and 18 days.
Demsey McKean defeated Hunter Sam via unanimous decision in the 6-round fight. McKean improves his record to 9-0
On April 15, 2016, a 25-year-old Demsey McKean (7-0, 3 KOs) and Tai Tuivasa met in the ring.
McKean came in to the fight on a 7-fight win streak with a 42% KO rate, and was fighting after a gap of .
Demsey McKean defeated Tai Tuivasa via unanimous decision in the 3-round fight. McKean improves his record to 8-0