Bobby Green says two health issues led to his collapse backstage after the UFC 258 weigh-ins. Scheduled to meet Jim Miller on the pay-per-view main card, Green (27-11-1 MMA, 12-7-1 UFC) made weight at 156 pounds after being the last fighter to step on the scale.
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Bobby Green: Kidney failure, lung issue to blame for collapsing after UFC 258 weigh-ins – MMA Junkie