UFC Fight Night: Magny vs. Ponzinibbio was a mixed martial arts event produced by the Ultimate Fighting Championship that was held on November 17, 2018 at Estadio Mary Terán de Weiss in Buenos Aires, Argentina.

Aoutneil "Neil" Jacques Magny is an American professional mixed martial artist. He currently competes in the Welterweight division in the Ultimate Fighting Championship (UFC). A professional MMA competitor since 2010, Magny made a name for himself as a competitor on The Ultimate Fighter: Team Carwin vs. Team Nelson and currently holds the record for most wins in UFC Welterweight history (22). As of April 9, 2024, he is #12 in the UFC welterweight rankings.