"KSI did rally in the final round but his wild haymakers should not have been enough to sway the judges after Paul had got off to such a flying start".
The decision was greeted by booing in the arena, but both men immediately called for a rematch.
If you would prefer not to further Logan Paul's efforts to monetize his antics, here are five ways to not watch this ridiculous stunt that is created to both lure in a younger audience and horrify true boxing fans.
On top of that, over 15,000 tickets were sold to attend the fight, according to BBC.com.
KSI said: "I think there's only one thing to do". We have the exact time for the match and where to watch it live, so without any further delay, let us begin with our post.
In terms of subscribers, KSI also trumps Logan, with 19.3 million to Logan Paul " s 18.1 million.
After their six round slugfest, the two YouTubers decided they'd "give the fans what they want" in order to finally decide for once and for all who is No.1 when it comes to who is the true boxing champ.
At the end of the fight, Logan Paul said that he felt like he won the match.
They are two of YouTube's biggest stars, both are massively divisive and both have highly controversial pasts.
Logan Paul is a 23-year-old USA prankster (and former state wrestler) who made his name on Vine before moving to YouTube, where he has had 3.9 billion views.
It all started when two other YouTubers - Joe Weller and Theo Baker, AKA Malfoy - went into the ring past year, and KSI said he would fight the victor.
After an eventful evening of boxing took place on August 25, with a reported 800,000 tuning in to the official stream and over a million watching pirated streams on other sites, the main bout ended in a draw.