Here is a list of Vargas's best fights. For a list of Vargas's losses, refer to "Gregorio Vargas Losses".
On January 16, 1999 Gregorio Vargas faced off against Ben Tackie in a lightweight bout at age 28. He was coming in with a record of 39-6-1 (28), and Tackie was 25 years old and with a record of 18-0 (11). Vargas won the fight via 12-round unanimous decision.
On April 28, 1993 Gregorio Vargas fought Paul Hodkinson in a featherweight world-title fight for Hodkinson's WBC title. Vargas was 22 years old and with a record of 28-3-1 (19), and Hodkinson was 27 years old and with a record of 22-1-1 (21). Vargas stopped Paul Hodkinson via 7th-round TKO and is crowned the new featherweight world champion.
On November 15, 1991 Gregorio Vargas faced off against Porfirio Hernandez in a featherweight bout at age 21. He was coming in with a record of 23-3-1 (15). Vargas stopped Porfirio Hernandez via KO.