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Zubaira Tukhugov
Zubaira Tukhugov (Зубайра Тухугов), nicknamed Warrior, Russian MMA fighter born 1991 in Grozny; UFC featherweight 2014-2023 with a 5-3-1 UFC and 20-6-1 pro record, released in 2023 after missing weight.
Zuffa
Zuffa, LLC (Zuffa Parent, LLC, now TKO Operating Company) is the Las Vegas company founded by Frank and Lorenzo Fertitta that bought the UFC for $2 million in 2001, acquired WEC, Pride, and Strikeforce, sold the UFC for $4 billion in 2016, and settled the Le v. Zuffa antitrust class action for $375 million in 2025.
Zuffa Boxing
Zuffa Boxing is Dana White's professional boxing promotion, a TKO Group Holdings and Sela joint venture launched January 2026, streaming exclusively on Paramount+ with 12 cards a year, Conor Benn its marquee signing.
Zurab Zviadauri
Zurab Zviadauri (ზურაბ ზვიადაური), Georgian judoka born 1981 in Akhmeta; 90 kg middleweight gold at Athens 2004, first Olympic champion of independent Georgia; later Georgian Dream MP and criminal defendant.
Zygmunt Chychła
Zygmunt Chychła (1926-2009), Polish amateur boxer, 'Twardy Kaszub', won welterweight gold at Helsinki 1952, Poland's first postwar Olympic gold and first boxing gold; twice European champion (1951, 1953).