On February 14, 1945, a 32-year-old Henry Armstrong (151-21-10, 100 KOs) and Chester Slider met in the ring for the 2nd time,.
Armstrong came in to the fight on a 1-fight win streak with a 54% KO rate, and was fighting after a gap of 8 days.
Henry Armstrong lost to Chester Slider via points decision in the 10-round fight, and adds an loss to his record at 151-22-10.
On July 4, 1944, a 31-year-old Henry Armstrong (147-20-8, 98 KOs) and John Thomas met in the ring for the 2nd time,.
Armstrong came in to the fight on a 2-fight win streak with a 56% KO rate, and was fighting after a gap of 13 days.
Henry Armstrong lost to John Thomas via unanimous decision in the 10-round fight, and adds an loss to his record at 147-21-8.
On June 2, 1944, a 31-year-old Henry Armstrong (145-19-8, 97 KOs) and Willie Joyce met in the ring for the 3rd time,.
Armstrong came in to the fight on a 11-fight win streak with a 56% KO rate, and was fighting after a gap of 11 days.
Henry Armstrong lost to Willie Joyce via unanimous decision in the 10-round fight, and adds an loss to his record at 145-20-8.
On August 27, 1943, a 30-year-old Henry Armstrong (134-18-8, 90 KOs) and a 22-year-old Sugar Ray Robinson (44-1, 30 KOs) met in the ring.
Armstrong came in to the fight on a 7-fight win streak with a 56% KO rate, and was fighting after a gap of 13 days. Robinson was on a 4-fight win streak with a 66% KO rate, and fighting after a layoff of 1 month and 26 days.
Sugar Ray Robinson defeated Henry Armstrong via unanimous decision in the 10-round fight. Robinson improves his record to 45-1, while Armstrong adds a loss to his record at 134-19-8.
On April 2, 1943, a 30-year-old Henry Armstrong (127-17-8, 87 KOs) and Beau Jack met in the ring.
Armstrong came in to the fight on a 2-fight win streak with a 57% KO rate, and was fighting after a gap of 11 days.
Henry Armstrong lost to Beau Jack via unanimous decision in the 10-round fight, and adds an loss to his record at 127-18-8.
On March 2, 1943, a 30-year-old Henry Armstrong (125-16-8, 86 KOs) and Willie Joyce met in the ring.
Armstrong came in to the fight on a 12-fight win streak with a 57% KO rate, and was fighting after a gap of 1 month and 25 days.
Henry Armstrong lost to Willie Joyce via unanimous decision in the 10-round fight, and adds an loss to his record at 125-17-8.
On July 3, 1942, a 29-year-old Henry Armstrong (113-15-8, 77 KOs) and Rueben Shank met in the ring.
Armstrong came in to the fight on a 2-fight win streak with a 56% KO rate, and was fighting after a gap of 9 days.
Henry Armstrong lost to Rueben Shank via unanimous decision in the 10-round fight, and adds an loss to his record at 113-16-8.
On January 17, 1941, Henry Armstrong and Fritzie Zivic met again in an immediate rematch.
Armstrong came in to the fight on a 1-fight losing streak with a 57% KO rate, and was fighting after a gap of 3 months and 13 days. Zivic was on a 0-fight win streak with a 39% KO rate, and fighting after a layoff of 28 days.
In the rematch, Fritzie Zivic stopped Henry Armstrong via TKO in the 12th round of the 15-round world-title fight, and successfully defended his The Ring welterweight title. Zivic improves his record to 104-24-6 (54 KOs), while Armstrong adds a loss to his record at 111-15-8.
On October 4, 1940, the 27-year-old The Ring welterweight world champion, Henry Armstrong (111-13-8, 76 KOs), faced a 27-year-old Fritzie Zivic (100-24-5, 52 KOs), in a title defense fight.
Armstrong came in to the fight on a 5-fight win streak with a 57% KO rate, and was fighting after a gap of 11 days. Zivic was on a 6-fight win streak with a 40% KO rate, and fighting after a layoff of 1 month and 5 days.
Fritzie Zivic defeated Henry Armstrong via unanimous decision and wins the The Ring title — in his first world-title fight. Zivic improves his record to 101-24-5, while Armstrong adds a loss to his record at 111-14-8.
On August 22, 1939, Henry Armstrong and Lou Ambers met again in a rematch.
Armstrong came in to the fight on a 46-fight win streak with a 54% KO rate, and was fighting after a gap of 2 months and 28 days.
Henry Armstrong was defending his lightweight The Ring titles against Lou Ambers and lost via unanimous decision in the 15-round lightweight fight, and adds an loss to his record at 98-13-7.
On December 3, 1936, a 23-year-old Henry Armstrong (52-11-7, 25 KOs) and Tony Chavez met in the ring.
Armstrong came in to the fight on a 10-fight win streak with a 35% KO rate, and was fighting after a gap of 16 days.
Henry Armstrong lost to Tony Chavez via disqualification in the 10-round fight, and adds an loss to his record at 52-12-7.
On February 26, 1936, a 23-year-old Henry Armstrong (42-10-7, 20 KOs) and Richie Fontaine met in the ring.
Armstrong came in to the fight on a 1-fight losing streak with a 33% KO rate, and was fighting after a gap of 1 month and 25 days.
Henry Armstrong lost to Richie Fontaine via points decision in the 10-round fight, and adds an loss to his record at 42-11-7.
On January 1, 1936, a 23-year-old Henry Armstrong (42-9-7, 20 KOs) and Joe Conde met in the ring for the 2nd time,.
Armstrong came in to the fight on a 4-fight win streak with a 34% KO rate, and was fighting after a gap of 26 days.
Henry Armstrong lost to Joe Conde via points decision in the 10-round fight, and adds an loss to his record at 42-10-7.
On March 31, 1935, a 22-year-old Henry Armstrong (32-8-6, 15 KOs) and Davey Abad met in the ring for the 2nd time,.
Armstrong came in to the fight on a 1-fight win streak with a 32% KO rate, and was fighting after a gap of 12 days.
Henry Armstrong lost to Davey Abad via points decision in the 10-round fight, and adds an loss to his record at 32-9-6.
On February 16, 1935, a 22-year-old Henry Armstrong (31-7-6, 14 KOs) and Rodolfo Casanova met in the ring.
Armstrong came in to the fight on a 1-fight losing streak with a 31% KO rate, and was fighting after a gap of 1 month and 15 days.
Henry Armstrong lost to Rodolfo Casanova via disqualification in the 10-round fight, and adds an loss to his record at 31-8-6.
On January 1, 1935, a 22-year-old Henry Armstrong (31-6-6, 14 KOs) and Baby Arizmendi met in the ring for the 2nd time,.
Armstrong came in to the fight on a 2-fight win streak with a 32% KO rate, and was fighting after a gap of 17 days.
Henry Armstrong lost to Baby Arizmendi via unanimous decision in the 12-round fight, and adds an loss to his record at 31-7-6.
On November 4, 1934, a 21-year-old Henry Armstrong (29-5-6, 12 KOs) and Baby Arizmendi met in the ring.
Armstrong came in to the fight on a 8-fight win streak with a 30% KO rate, and was fighting after a gap of 1 month and 7 days.
Henry Armstrong lost to Baby Arizmendi via points decision in the 10-round fight, and adds an loss to his record at 29-6-6.
On July 11, 1933, a 20-year-old Henry Armstrong (12-4-1, 4 KOs) and Baby Manuel met in the ring.
Armstrong came in to the fight on a 2-fight win streak with a 23% KO rate, and was fighting after a gap of 13 days.
Henry Armstrong lost to Baby Manuel via points decision in the 6-round fight, and adds an loss to his record at 12-5-1.
On September 27, 1932, a 19-year-old Henry Armstrong (1-3, 0 KOs) and Al Greenfield met in the ring.
Armstrong came in to the fight on a 2-fight losing streak with a 0% KO rate, and was fighting after a gap of 28 days.
Henry Armstrong lost to Al Greenfield via points decision in the 4-round fight, and adds an loss to his record at 1-4.
On August 30, 1932, a 19-year-old Henry Armstrong (1-2, 0 KOs) and Eddie Trujillo met in the ring.
Armstrong came in to the fight on a 1-fight losing streak with a 0% KO rate, and was fighting after a gap of 8 months and 23 days.
Henry Armstrong lost to Eddie Trujillo via points decision in the 4-round fight, and adds an loss to his record at 1-3.
On December 7, 1931, an 18-year-old Henry Armstrong (1-1, 0 KOs) and Victor Kid Ponce met in the ring.
Armstrong came in to the fight on a 1-fight win streak with a 0% KO rate, and was fighting after a gap of 4 months and 7 days.
Henry Armstrong lost to Victor Kid Ponce via points decision in the 4-round fight, and adds an loss to his record at 1-2.
On July 27, 1931, an 18-year-old Henry Armstrong (debutant) and Al Lovino met in the ring.
Henry Armstrong lost to Al Lovino via KO in the 3rd round, making an unsuccessful professional debut.