If you get to read Azumah's biography, on page 225, he claims about the second Leija fight: https://books.google.be/books?id=Fj...#v=onepage&q=leija knocks down azumah&f=false Even stranger, boxrec doesn't list the second rd knockdown.
Finished reading Nelson's autobiography a few months back myself, actually. Thought it was a pretty disappointing read and full of annoying little errors of this nature which make you wonder how thoroughly researched it really was.