Before being booked at UFC 245, Max Holloway refused to seriously discuss his next UFC featherweight title defense until he knew he was medically clear. A cloud of concern has hung over Holloway (21-4 MMA, 17-4 UFC) after an ugly 2018 campaign that saw him withdraw from three consecutive title fights. The latter of those withdrawals was most worrisome, with Holloway pulling out of a scheduled bout during fight week with a still unknown medical issue .
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Max Holloway explains battery of medical tests before booking UFC 245 title defense – MMA Junkie