Gene Fullmer has six losses against five opponents on his boxing record. For a list of Fullmer's best fights, refer to "Best fights of Gene Fullmer".
On August 10, 1963 Gene Fullmer fought Dick Tiger in a middleweight world-title fight for Tiger's WBA and The Ring titles. Fullmer was 32 years old and with a record of 47-6-3 (15), and Tiger was 33 years old and with a record of 46-14-3 (21). Fullmer lost the fight via 7th-round retirement.
On October 23, 1962 Gene Fullmer met Dick Tiger in a middleweight (WBA) world-title defense fight. Fullmer was 31 years old and with a record of 47-5-2 (15), and Tiger was 33 years old and with a record of 45-14-2 (21). Fullmer lost the fight via 15-round unanimous decision and lost the title.
On May 1, 1957 Gene Fullmer met Sugar Ray Robinson in a middleweight (The Ring) world-title defense fight. Fullmer was 25 years old and with a record of 32-4 (11), and Robinson was 35 years old and with a record of 139-5-2 (91). Fullmer lost the fight via 5th-round KO and lost the title.
On November 25, 1955 Gene Fullmer faced off against Eduardo Lausse at age 24. He was coming in with a record of 24-3 (10). Fullmer lost the fight via 10-round unanimous decision.
On November 25, 1955 Gene Fullmer faced off against Bobby Boyd at age 24. He was coming in with a record of 24-2 (10). Fullmer lost the fight via 10-round unanimous decision.
On April 4, 1955 Gene Fullmer faced off against Gil Turner at age 23. He was coming in with a record of 21-1 (10). Fullmer lost the fight via 10-round unanimous decision.