What happened: Conor McGregor has undergone a significant physical transformation since his UFC debut. His current physique presents a stark contrast to his frame during his early days in the promotion.

Why it matters: The evolution reflects his progression through multiple weight divisions over the course of his career. He has continued to build size during his extended period away from active competition.

What to watch: McGregor is scheduled to face Max Holloway in the main event of UFC 329 on July 11 at T-Mobile Arena.