User blog comment:The ASL Pirates/Traveling Back/@comment-10543621-20150720063525/@comment-10543621-20150720231410

Ok no source for that. Then again it'd make sense if the Yonkou as 4 strongest pirate crew always existed. In that case, maybe Roger pirates were a Yonkou at some point and rose to become the pirate king. Whichever it is, doesn't really affect what I'm saying.