The list of the biggest stars in UFC history is a short one. Toping the list would be former two-division champion Conor McGregor , and by a large margin. He holds eight spots in the top 10 most UFC pay-per-view buys. McGregor’s stardom is what every fighter is after. One of the fighters aiming for superstardom is bantamweight champion Sean O’Malley .
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Sean O’Malley: ‘Conor McGregor’s time is running out’ – MMA Weekly