LAS VEGAS – In 2017, Dana White printed a Zuffa Boxing t-shirt and teased his entry into the world of boxing, but public promotion of the venture slowly fizzled out and the shirt may have rotated to the bottom of the drawer. In the years that followed when asked about crossover, White often highlighted his gripes with boxing and the way he saw the sport run. In 2024, White might be breaking out the shirt again, even if there are a few wrinkles on it. Heavily involved as “the HBO” (as he calls himself) of rising young Irish boxer Callum Walsh, White definitively declared , “I’m in,” during a pre-fight Q&A on Thursday in Dublin. “Every time I get on the phone with these guys, I go, ‘Am I out of my f*cking mind?’” White told reporters, including MMA Junkie, after Tuesday’s Dana White’s Contender Series 73 .