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Giacomo "Jack" Della Maddalena (born 10 September 1996), also known by his initials JDM, is an Australian professional mixed martial artist. He currently competes in the Welterweight division of the Ultimate Fighting Championship (UFC), where he is the former UFC Welterweight Champion. As of 5 May 2026, he is #4 in the Meta UFC welterweight rankings.
Biography from Wikipedia, available under CC BY-SA 4.0. Shortened. Read the full article.
No amateur bouts recorded
Bout-by-bout history is added as results are published and verified. The career record above is the official total.
Australia