On April 1, 1955, a 23-year-old Tony DeMarco (45-5-1, 28 KOs) got a shot at the The Ring welterweight title held by Johnny Saxton.
DeMarco came in to the fight after a draw in his last fight with a 54% KO rate, and was fighting after a gap of 1 month and 21 days.
Tony DeMarco stopped the champion via TKO in the 14th round of the 15-round world-title fight, winning the first world title of his career, and is crowned the new The Ring welterweight champion. DeMarco improves his record to 46-5-1 (29 KOs)
On March 15, 1954, a 22-year-old Tony DeMarco (39-5, 24 KOs) and Wilbur Wilson met in the ring for the 2nd time,.
DeMarco came in to the fight on a 9-fight win streak with a 54% KO rate, and was fighting after a gap of 1 month and 25 days.
In the rematch, Tony DeMarco stopped Wilbur Wilson via KO in the 2nd round. DeMarco improves his record to 40-5 (25 KOs)
On January 11, 1951, an 18-year-old Tony DeMarco (17-2, 11 KOs) and Ken Murray met in the ring for the 2nd time,.
DeMarco came in to the fight on a 7-fight win streak with a 57% KO rate, and was fighting after a gap of 1 month.
In the rematch, Tony DeMarco stopped Ken Murray via KO in the 2nd round. DeMarco improves his record to 18-2 (12 KOs)
On November 16, 1948, a 16-year-old Tony DeMarco (1-0, 1 KO) and Meteor Jones met in the ring for the 2nd time,.
DeMarco came in to the fight on a 1-fight win streak with a 100% KO rate, and was fighting after a gap of 26 days.
In the rematch, Tony DeMarco stopped Meteor Jones via KO in the 2nd round. DeMarco improves his record to 2-0 (2 KOs)
On December 19, 1961, a 29-year-old Tony DeMarco (56-12-1, 32 KOs) and Don Jordan met in the ring.
DeMarco came in to the fight on a 1-fight losing streak with a 46% KO rate, and was fighting after a gap of 1 year, 10 months, and 9 days.
Tony DeMarco stopped Don Jordan via KO in the 2nd round. DeMarco improves his record to 57-12-1 (33 KOs)
On December 19, 1949, a 17-year-old Tony DeMarco (9-1, 7 KOs) and Frankie Steele met in the ring for the 2nd time,.
DeMarco came in to the fight on a 2-fight win streak with a 70% KO rate, and was fighting after a gap of 1 month and 5 days.
In the rematch, Tony DeMarco stopped Frankie Steele via TKO in the 3rd round. DeMarco improves his record to 10-1 (8 KOs)
On July 12, 1954, a 22-year-old Tony DeMarco (42-5, 25 KOs) and George Araujo met in the ring.
DeMarco came in to the fight on a 12-fight win streak with a 53% KO rate, and was fighting after a gap of 1 month and 20 days.
Tony DeMarco stopped George Araujo via TKO in the 5th round. DeMarco improves his record to 43-5 (26 KOs)
On February 9, 1957, a 25-year-old Tony DeMarco (51-9-1, 31 KOs) and Gaspar Ortega met in the ring for the 3rd time,.
DeMarco came in to the fight on a 2-fight losing streak with a 50% KO rate, and was fighting after a gap of 1 month and 19 days.
In the rematch, Tony DeMarco defeated Gaspar Ortega via unanimous decision in the 10-round fight. DeMarco improves his record to 52-9-1
On September 25, 1954, a 22-year-old Tony DeMarco (43-5, 26 KOs) and Chris Christensen met in the ring.
DeMarco came in to the fight on a 13-fight win streak with a 54% KO rate, and was fighting after a gap of 2 months and 13 days.
Tony DeMarco stopped Chris Christensen via TKO in the 6th round. DeMarco improves his record to 44-5 (27 KOs)
On September 19, 1953, a 21-year-old Tony DeMarco (35-5, 23 KOs) and Chick Boucher met in the ring for the 2nd time,.
DeMarco came in to the fight on a 5-fight win streak with a 57% KO rate, and was fighting after a gap of 9 days.
In the rematch, Tony DeMarco stopped Chick Boucher via TKO in the 6th round. DeMarco improves his record to 36-5 (24 KOs)