Paul Kelly has five losses against five opponents on his MMA record. For a list of Kelly's best fights, refer to "Best fights of Paul Kelly".
On April 7, 2012 Paul Kelly faced off against Ryan Healy in a lightweight bout at age 27. He was coming in with a record of 12-5 (9), and Healy was 28 years old and with a record of 22-11-1 (18). Kelly lost the fight via 3-round unanimous decision.
On February 5, 2011 Paul Kelly faced off against Donald Cerrone in a lightweight bout at age 26. He was coming in with a record of 12-4 (9), and Cerrone was 27 years old and with a record of 13-3 (11). Kelly lost the fight via 2nd-round submission.
On August 1, 2010 Paul Kelly faced off against Jacob Volkmann in a lightweight bout at age 25. He was coming in with a record of 11-3 (8), and Volkmann was 29 years old and with a record of 10-2 (6). Kelly lost the fight via 3-round unanimous decision.
On November 14, 2009 Paul Kelly faced off against Dennis Siver in a lightweight bout at age 25. He was coming in with a record of 10-2 (7), and Siver was 30 years old and with a record of 14-6 (12). Kelly lost the fight via 2nd-round TKO.
On October 18, 2008 Paul Kelly faced off against Marcus Davis in a middleweight bout at age 24. He was coming in with a record of 8-1 (7), and Davis was 35 years old and with a record of 14-4 (11). Kelly lost the fight via 2nd-round submission.