Here is a list of Jason's best fights. For a list of Jason's losses, refer to "Rony Jason Losses".
On June 23, 2012 Rony Jason faced off against Godofredo Pepey in a featherweight bout at age 28. He was coming in with a record of 11-3 (10), and Pepey was 24 years old and with a record of 8-0 (8). Jason won the fight via 3-round unanimous decision.
On October 13, 2012 Rony Jason faced off against Sam Sicilia in a featherweight bout at age 28. He was coming in with a record of 12-3 (11), and Sicilia was 26 years old and with a record of 11-1 (10). Jason stopped Sam Sicilia via TKO.
On March 23, 2014 Rony Jason faced off against Steven Siler in a featherweight bout at age 30. He was coming in with a record of 14-4 (12), and Siler was 27 years old and with a record of 23-11 (16). Jason stopped Steven Siler via TKO.
On June 8, 2013 Rony Jason faced off against Mike Wilkinson in a featherweight bout at age 29. He was coming in with a record of 13-3 (11), and Wilkinson was 25 years old and with a record of 8-0 (6). Jason stopped Mike Wilkinson via choke-out.
On September 12, 2009 Rony Jason faced off against Felipe Arantes at age 25. He was coming in with a record of 4-2 (4), and Arantes was 21 years old and with a record of 6-2 (6). Jason stopped Felipe Arantes via submission.