Board Thread:Theories and Speculation/@comment-36512555-20200202084241/@comment-9782468-20200207232321

Kisame does not know Jiraiya. He knows that he's a famous Sannin, but Ninja survive by keeping their techs secret.

You of all people know that Just because A>B and B>C, it isn't necessarily true that A>C in the Naruto universe. Some people are better suited to fight people than others.

Sick Itachi is equal to Jiraiya in stats, and stats don't even account for Sage Mode.