Here is a list of Beltrán Jr.'s best fights. For a list of Beltrán Jr.'s losses, refer to "Miguel Beltrán Jr. Losses".
On December 18, 2009 Miguel Beltrán Jr. faced off against Miguel Roman at age 20. He was coming in with a record of 22-0 (15), and Roman was 24 years old and with a record of 28-5 (20). Beltrán Jr. won the fight via 10-round split decision.