Here is a list of Mancini's best fights. For a list of Mancini's losses, refer to "Ray Mancini Losses".
On July 19, 1981 Ray Mancini faced off against José Luis Ramírez in a lightweight bout at age 20. He was coming in with a record of 20-0 (15), and Ramírez was 22 years old and with a record of 71-3 (60). Mancini won the fight via 12-round unanimous decision.
On January 14, 1984 Ray Mancini met Bobby Chacon in a lightweight (WBA) world-title defense fight. Mancini was 22 years old and with a record of 29-1 (23), and Chacon was 32 years old and with a record of 52-6-1 (42). Mancini stopped Bobby Chacon via 3rd-round TKO and successfully defended his title.
On November 13, 1982 Ray Mancini met Kim Duk-koo in a lightweight (WBA) world-title defense fight. Mancini was 21 years old and with a record of 25-1 (20), and Duk-koo was 27 years old and with a record of 17-1-1 (8). Mancini stopped Kim Duk-koo via 14th-round KO and successfully defended his title.
On May 8, 1982 Ray Mancini fought Arturo Frias in a lightweight world-title fight for Frias' WBA title. Mancini was 21 years old and with a record of 23-1 (18). Mancini stopped Arturo Frias via 1st-round TKO and is crowned the new lightweight world champion.