Fullmer headed into their May rematch as a 3–1 favorite.[42] In the first two rounds Robinson followed Fullmer around the ring, however in the third round he changed tactics and made Fullmer come to him.[42] At the start of the fourth round Robinson came out on the attack and stunned Fullmer, and when Fullmer returned with his own punches, Robinson traded with him, as opposed to clinching as he had done in their earlier fight. The fight was fairly even after four rounds.[42] But in the fifth, Robinson was able to win the title back for a fourth time by knocking out Fullmer with a lightning fast, powerful left hook.[42] Boxing critics have referred to the left-hook which knocked out Fullmer as "the perfect punch".[43] It marked the first time in 44 career fights that Fullmer had been knocked out, and when someone asked Robinson after the fight how far the left hook had travelled, Robinson replied: "I can't say. But he got the
Fullmer headed into their May rematch as a 3–1 favorite.[42] In the first two rounds Robinson followed Fullmer around the ring, however in the third round he changed tactics and made Fullmer come to him.[42] At the start of the fourth round Robinson came out on the attack and stunned Fullmer, and when Fullmer returned with his own punches, Robinson traded with him, as opposed to clinching as he had done in their earlier fight. The fight was fairly even after four rounds.[42] But in the fifth, Robinson was able to win the title back for a fourth time by knocking out Fullmer with a lightning fast, powerful left hook.[42] Boxing critics have referred to the left-hook which knocked out Fullmer as "the perfect punch".[43] It marked the first time in 44 career fights that Fullmer had been knocked out, and when someone asked Robinson after the fight how far the left hook had travelled, Robinson replied: "I can't say. But he got the