Davey Grant ’s highlight-reel knockout of Martin Day at UFC 251 came at a cost. Although the fight ended in the best way possible, with Grant (11-4 MMA, 3-3 UFC) flattening Day (8-4 MMA, 0-2 UFC) with a sick one-shot knockout in the third round, he had to overcome some adversity to get there. Grant revealed post-fight that he suffered a jaw injury in the first round of the bantamweight bout
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Davey Grant undergoes surgery after multiple jaw fractures in UFC 251 win – MMA Junkie