Super-featherweight boxing champion Francisco Vargas tests positive for banned substance - Los Angeles Times
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Alexander Volkanovski 'more than OK' with interim featherweight title fight at UFC 284 - MMA Fighting
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UFC on Twitter: "Yair Rodriguez is THE NEW interim featherweight champion!! 🏆 @PanteraUFC defeats Josh Emmett by submission to claim the 145-lb title #UFC284 https://t.co/sGU3li6Z9M" / Twitter
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Alexander Volkanovski displays championship heart in featherweight title defence at UFC 266 | CBC Sports
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