On September 21, 1955, the 32-year-old The Ring heavyweight world champion, Rocky Marciano (48-0, 42 KOs), faced a 41-year-old Archie Moore (149-19-8, 108 KOs), in a title defense fight.
Marciano came in to the fight on a 48-fight win streak with a 87% KO rate, and was fighting after a gap of 4 months and 5 days. Moore was on a 21-fight win streak with a 61% KO rate, and fighting after a layoff of 2 months and 30 days.
Rocky Marciano stopped Archie Moore via KO in the 9th round of the 15-round world-title fight, and successfully defended his The Ring heavyweight title. Marciano improves his record to 49-0 (43 KOs), while Moore adds a loss to his record at 149-20-8.
On May 15, 1953, Rocky Marciano and Jersey Joe Walcott met again in an immediate rematch.
Marciano came in to the fight on a 43-fight win streak with a 88% KO rate, and was fighting after a gap of 7 months and 22 days. Walcott was on a -1-fight win streak with a 45% KO rate, and fighting after a layoff of 7 months and 22 days.
Rocky Marciano made quick work of Jersey Joe Walcott in the rematch, stopping the challenger via KO in the 1st. Marciano improves his record to 44-0 (39 KOs), while Walcott adds a loss to his record at 51-18-2.
On September 17, 1954, Rocky Marciano and Ezzard Charles met again in an immediate rematch.
Marciano came in to the fight on a 46-fight win streak with a 87% KO rate, and was fighting after a gap of 3 months. Charles was on a -1-fight win streak with a 49% KO rate, and fighting after a layoff of 3 months.
In the rematch, Rocky Marciano stopped Ezzard Charles via KO in the 8th round of the 15-round world-title fight, and successfully defended his The Ring heavyweight title. Marciano improves his record to 47-0 (41 KOs), while Charles adds a loss to his record at 85-12-1.
On September 23, 1952, a 29-year-old Rocky Marciano (42-0, 37 KOs) got a shot at the The Ring heavyweight title held by 38-year-old Jersey Joe Walcott (51-16-2, 32 KOs).
Marciano came in to the fight on a 42-fight win streak with a 88% KO rate, and was fighting after a gap of 1 month and 26 days. Walcott was on a 2-fight win streak with a 46% KO rate, and fighting after a layoff of 3 months and 18 days.
Rocky Marciano stopped the champion via KO in the 13th round of the 15-round world-title fight, winning the first world title of his career, and is crowned the new The Ring heavyweight champion. Marciano improves his record to 43-0 (38 KOs), while Walcott adds a loss to his record at 51-17-2.
On May 16, 1955, the 31-year-old The Ring heavyweight world champion, Rocky Marciano (47-0, 41 KOs), faced Don Cockell, in a title defense fight.
Marciano came in to the fight on a 47-fight win streak with a 87% KO rate, and was fighting after a gap of 7 months and 29 days.
Rocky Marciano stopped Don Cockell via TKO in the 9th round of the 15-round world-title fight, and successfully defended his The Ring heavyweight title. Marciano improves his record to 48-0 (42 KOs)
On September 24, 1953, Rocky Marciano and Roland La Starza met again in a rematch.
Marciano came in to the fight on a 44-fight win streak with a 88% KO rate, and was fighting after a gap of 4 months and 9 days.
In the rematch, Rocky Marciano stopped Roland La Starza via TKO in the 11th round of the 15-round world-title fight, and successfully defended his The Ring heavyweight title. Marciano improves his record to 45-0 (40 KOs)
On June 17, 1954, the 30-year-old The Ring heavyweight world champion, Rocky Marciano (45-0, 40 KOs), faced a 32-year-old Ezzard Charles (85-10-1, 48 KOs), in a title defense fight.
Marciano came in to the fight on a 45-fight win streak with a 88% KO rate, and was fighting after a gap of 8 months and 24 days. Charles was on a 2-fight win streak with a 50% KO rate, and fighting after a layoff of 5 months and 4 days.
Rocky Marciano defeated Ezzard Charles via unanimous decision and successfully defended his The Ring heavyweight title. Marciano improves his record to 46-0, while Charles adds a loss to his record at 85-11-1.
On October 26, 1951, a 28-year-old Rocky Marciano (37-0, 32 KOs) and a 37-year-old Joe Louis (66-2, 52 KOs) met in the ring.
Marciano came in to the fight on a 37-fight win streak with a 86% KO rate, and was fighting after a gap of 1 month and 29 days. Louis was on a 8-fight win streak with a 76% KO rate, and fighting after a layoff of 2 months and 11 days.
Rocky Marciano stopped Joe Louis via TKO in the 8th round. Marciano improves his record to 38-0 (33 KOs), while Louis adds a loss to his record at 66-3.
On July 28, 1952, a 28-year-old Rocky Marciano (41-0, 36 KOs) and Harry Matthews met in the ring.
Marciano came in to the fight on a 41-fight win streak with a 87% KO rate, and was fighting after a gap of 2 months and 16 days.
Rocky Marciano stopped Harry Matthews via KO in the 2nd round. Marciano improves his record to 42-0 (37 KOs)
On July 18, 1949, a 25-year-old Rocky Marciano (17-0, 16 KOs) and Harry Haft met in the ring.
Marciano came in to the fight on a 17-fight win streak with a 94% KO rate, and was fighting after a gap of 1 month and 25 days.
Rocky Marciano stopped Harry Haft via KO in the 3rd round. Marciano improves his record to 18-0 (17 KOs)