At Premier FC 18 – Premier Fighting Championship, Mike Kimbel made his amateur MMA career debut against Justin Valentin. He got defeated in the fight via unanimous decision in the round three.
Almost after 4 months, Kimbel returns to fight at WNXFA – Warrior Nation XFA 12, where he faced Steve Rivera. He won the bout via KO in the round one.
After that, he returned to Premier Fighting Championship and went on to face Zachary Searle at Premier FC 20. Again, he got defeated but this time via armbar submission in the round two.
On 16th February 2018, Kimbel made his professional MMA career debut at Bellator 194 – Nelson vs. Mitrione. He marked his win in his first pro fight, defeating his opponent via TKO in the round one.