Here is a list of Greer Jr.'s best fights. For a list of Greer Jr.'s losses, refer to "Joshua Greer Jr. Losses".
On October 26, 2019 Joshua Greer Jr. faced off against Antonio Nieves in a bantamweight bout at age 25. He was coming in with a record of 22-1-1 (12), and Nieves was 32 years old and with a record of 19-2-2 (11). Greer Jr. won the fight via 10-round unanimous decision.
On July 13, 2019 Joshua Greer Jr. faced off against Nikolai Potapov in a bantamweight bout at age 25. He was coming in with a record of 21-1-1 (12), and Potapov was 29 years old and with a record of 20-1-1 (11). Greer Jr. won the fight via 12-round majority decision.
