Nick Klein

Nick Klein is an American mixed martial artist competing in the UFC middleweight division. Born September 8, 1995, in Plymouth, Wisconsin, Klein stands 6 feet 1 inch tall and trains at Pura Vida BJJ & MMA. The UFC lists his fighting style as freestyle and identifies him by the nickname “Blue Collar.”

Klein began his professional MMA career in 2021 and made his UFC debut on February 22, 2025. Before reaching the UFC, he competed on Dana White’s Contender Series, accepting his opportunity on short notice after replacing teammate Wes Schultz. His background includes wrestling, Brazilian jiu-jitsu and submission grappling; the UFC has highlighted his finishing ability and his history as a Wisconsin high-school wrestling state finalist.

Klein’s game is built around a well-rounded blend of wrestling, grappling, submissions and striking. His middleweight style emphasizes pressure and finishing exchanges, with a particularly strong submission background. As of September 16, 2026, the UFC lists Nick Klein as an active middleweight athlete.