Conor McGregor fight is already a clash between titans - but now, it's a scheduling clash between titans, too.
Shortly after Mayweather-McGregor was announced last week - it's set for August 26 at T-Mobile Arena in Las Vegas - van Heerden jumped on Twitter to share a video from one of those sparring sessions.
Read fighters and where they're going and read what they do. Could Conor do something to get in Floyd's head and upset him to the point where Floyd does something illegal and is disqualified? Mayweather, of course, wrestled for WWE back at WrestleMania 24 against The Big Show.
The days of individual, in-competition apparel deals are long gone for Ultimate Fighting Championship fighters, but not Conor McGregor. Given the hectic schedule of both men over the next few months, it seems like their media appearances will revolve around sit-down interviews as opposed to WWE appearances.
He will also wear a 10 lbs. boxing glove, which is far heavier than the gloves he wears during his fight in the octagon. Hell, if Ronda Rousey can do it why can't The Notorious One?
"Depending on the punishment I take [in] this fight. if I come out unmarked like I usually do, I'd be willing to fight on Floyd's undercard against Nate Diaz", said Broner.
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So let's look through the figures, and see just where these two are going to land, and how much each stands to take home. I don't think it will be something like that, but I do think this is the kind of thing where people are going to want to watch it, touch it and feel it.
Will boxing fans follow suit?
If his Instagram posts are anything to by, McGregor is hard at work preparing for the bout, which will be his first ever professional boxing match. Can it be the billion-dollar bout it's been touted as?
As is common knowledge for combat sport fans, whenever McGregor is sat in front of a microphone, entertainment in some form is a guarantee.
It's a seasoned boxer against a UFC fighter who can strike well. "I love Bruce Lee and the other disciplines and when he fought against other fighters, you wanted to see the differences, so I can see the appeal", Lewis said.