I caught this video on MTO a site I despise but use as research. If you go there don't click on the ads lol, lol be a silent spectator. They constantly tear down positive ENERGY and highlight the negative for sensationalism and ratings.
Floyd Mayweather and Victor Ortiz made the type of contact during a press conference for their upcoming fight that I've never seen in my life with boxers in the past. It's not just how close they got most boxers get close in a "star down", but it's the level of comfort displayed particularly on the side of Floyd Mayweather.
Let's start with the picture of him sucking Victor Ortiz's nose:
Now take a look at this short video of their conference:
Regardless this is far from the "alpha male" ENERGY I grew up with when it comes to boxers.