A positive COVID-19 test result has forced Nate Landwehr out of his featherweight bout with Shane Young at UFC 253. The UFC wasted no time finding a replacement for the card later this month, though, as it has signed Ludovit Klein to debut on short notice against Young.
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Ludovit Klein steps in for Nate Landwehr at UFC 253 after positive COVID-19 test – MMA Junkie