Itachi wins it.
Nagato > Jiraiya > Itachi > Minato
Sometimes you get to witness the start of fire. It is almost beautiful in its ignorance and simplicity.
I really don't want to get into this with you but suffice to say that your A>B>C logic is terrible and false. Also your order is all wrong.
Everyone with a brain admits that Jiraiya would lose to Itachi. Secondly how is Jiraiya greater than Minato? Jiraiya has said multiple times that Minato is better than him, and he would know seeing as he trained him and then Minato sort of trained him by teaching him jutsus.
This thread has so far been filled with the most insane posts and illogical things ever. Please someone make a valid argument.
Say something like Itachi starts every battle with genjutsu and if Minato has no counter ready, then he will lose.
Saying something like the sharingan can track FTG is stupid. It isn't movement, it is effing teleporting. Minato isn't moving at really fast speeds, he is in one place, and then is in a different place. No movement to be tracked. Please people think.
Itachi would win via genjutsu, but if he didn't use genjutsu Minato would win because Itachi's other attacks are too chakra consuming and Minato is too fast and can teleport. But that doesn't matter because Itachi starts every battle with genjutsu and possibly has a chance to end it right there. (POSSIBLY, depending on how Minato reacts)