[4] He played soccer in his youth, changing to football, baseball and wrestling during his high school years.
[8] Making his MMA debut at CFFC 73, Nchukwi faced Alex Meyers and went on to defeat him via TKO in the second round.
Returning to Cage Fury Fighting Championships at CFFC 80, he defeated William Knight via TKO in the first round.
[10] In the main event of Dana White's Contender Series 32, Nchukwi knocked out Al Matavao in the second round.
[11] In his promotional debut, Nchukwi faced Jamie Pickett at UFC Fight Night: Thompson vs. Neal on December 19, 2020.
[19] Nchukwi faced Carlos Ulberg on June 25, 2022, at UFC on ESPN 38[20] He lost the fight via TKO in the first round.