YouTubers KSI and Logan Paul square up in professional fight at Staples Center in Los Angeles
First fight at Manchester Arena last August ended in a draw
Undercard: WBO super-middleweight world champion Billy Joe Saunders stops Argentine Marcelo Esteban Cocere
American Devin Haney defeats Dominican Republic's Alfredo Santiago
Get involved: #bbcboxing
And even bigger news than that... a bloke, who we don't know the name of, has proposed to his girlfriend, who we don't know the name of, inside the ring.
It's all going off.
Bloke we don't know the name of: we're game for a wedding in LA. Hit us with an invite... c/o BBC Sport.
Before we crack on with KSI v Logan Paul 2, some news to bring you on Billy Joe Saunders.
The Brit, who is fighting on the undercard here, stopped Argentine Marcelo Esteban Cocere to retain his WBO super middleweight title.
Image source, Getty ImagesIf you know, you know.
If you don't know, you're in the right place.
Put simply: this could rank as the biggest event in Youtube history.
Heck, let's go big here... the biggest event in internet history.