Here is a list of Olivares's best fights. For a list of Olivares's losses, refer to "Rubén Olivares Losses".
On June 20, 1975 Rubén Olivares fought Bobby Chacon in a featherweight world-title fight for Chacon's WBC title. Olivares was 28 years old and with a record of 80-5-1 (72), and Chacon was 23 years old and with a record of 26-1 (24). Olivares stopped Bobby Chacon via 2nd-round TKO and is crowned the new featherweight world champion.
On August 22, 1969 Rubén Olivares fought Lionel Rose in a bantamweight world-title fight for Rose's WBA, WBC and The Ring titles. Olivares was 22 years old and with a record of 53-0-1 (51), and Rose was 21 years old and with a record of 34-2 (8). Olivares stopped Lionel Rose via 5th-round KO and is crowned the new bantamweight world champion.
On April 28, 1978 Rubén Olivares faced off against José Luis Ramírez at age 31. He was coming in with a record of 84-9-1 (74), and Ramírez was 19 years old and with a record of 43-1 (36). Olivares stopped José Luis Ramírez via TKO.
On June 23, 1973 Rubén Olivares faced off against Bobby Chacon in a featherweight bout at age 26. He was coming in with a record of 72-3-1 (66), and Chacon was 21 years old and with a record of 19-0 (17). Olivares stopped Bobby Chacon via retirement.
On November 24, 1968 Rubén Olivares faced off against José Medel at age 21. He was coming in with a record of 45-0-1 (43), and Medel was 30 years old and with a record of 64-24-7 (39). Olivares stopped José Medel via KO.
On December 12, 1969 Rubén Olivares met Alan Rudkin in a bantamweight (WBA, WBC and The Ring) world-title defense fight. Olivares was 22 years old and with a record of 55-0-1 (53). Olivares stopped Alan Rudkin via 2nd-round TKO and successfully defended his titles.
