- Amateur Record: 96-3
- Represented Puerto Rico as a flyweight at the 1972 Olympic Games in Munich, West Germany.
- 1st round bye
- Lost to Mohamed Selim (Egypt) 1-4
- Bantamweight Gold Medalist at the inaugural 1974 AIBA World Championships in Havana, Cuba.
- Defeated Miguel Viti (Peru) TKO 2
- Defeated Krzysztof Madej (Poland) KO 2
- Defeated Aldo Cosentino (France) KO 1
- Defeated Luis Jorge Romero (Cuba) TKO 2
- Successfully defended the WBC Super Bantamweight Championship 17 times, winning all 17 by knockout.
- Retired with a record of 20-3 (18 KOs) in world title fights.
- Retired with a record of 9-3 (7 KOs) against former, current and future world titlists.
- The Ring named the third round of Gomez's fight against Lupe Pintor the Round of the Year for 1982.
- The Ring named Gomez the greatest super bantamweight of all-time in 1994.
- The Associated Press named Gomez the 8th greatest featherweight of the 20th century in 1999.
- The Ring named Gomez the 13th greatest puncher of all-time in 2003.
Dong Kyun Yum
| WBC Super Bantamweight Champion
1977 May 21 – 1983
Juan La Porte
| WBC Featherweight Champion
1984 Mar 31 – 1984 Dec 8
| WBA Super Featherweight Champion
1985 May 19 – 1986 May 24