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McGregor Coach: 'He slept in the gym'

John Kavanagh details Conor McGregor's intense preparation ahead of his return fight against Max Holloway.

After a five-year hiatus, Conor McGregor's return is official. His coach, John Kavanagh, recently discussed the grueling training camp with Ariel Helwani.

Despite doubts regarding his physical condition, Kavanagh provided insights into the rigorous efforts leading up to the bout against Max Holloway. betsport24.es