Kelvin Tiller has five losses against four opponents on his MMA record. For a list of Tiller's best fights, refer to "Best fights of Kelvin Tiller".
On October 31, 2019 Kelvin Tiller faced off against Jared Rosholt in a heavyweight bout at age 29. He was coming in with a record of 11-5 (9), and Rosholt was 33 years old and with a record of 19-7 (8). Tiller lost the fight via 3-round unanimous decision.
On October 31, 2019 Kelvin Tiller faced off against Ali Isaev in a heavyweight bout at age 29. He was coming in with a record of 11-4 (9), and Isaev was 35 years old and with a record of 6-0 (2). Tiller lost the fight via 2-round unanimous decision.
On August 8, 2019 Kelvin Tiller faced off against Denis Goltsov in a heavyweight bout at age 29. He was coming in with a record of 11-3 (9), and Goltsov was 29 years old and with a record of 23-5 (18). Tiller lost the fight via 2nd-round submission.
On October 5, 2018 Kelvin Tiller faced off against Jared Rosholt in a heavyweight bout at age 28. He was coming in with a record of 10-2 (8), and Rosholt was 32 years old and with a record of 16-5 (7). Tiller lost the fight via 2-round unanimous decision.
On August 9, 2014 Kelvin Tiller faced off against Elvis Mutapčić in a light-heavyweight bout at age 24. He was coming in with a record of 6-1 (4), and Mutapčić was 28 years old and with a record of 13-3 (11). Tiller lost the fight via 3-round unanimous decision.