How often have the two best at that time gone against eachother?

[Bookkeeper]

Trinidad Vs De La Hoya was close, not 1 vs 2 but I believe 3 vs 4,

Ya, Oscar-Tito was close, but Roy was still #1 Pfp then.

If the question was expanded to times when two top 5 pfp guys fought each other, the list of fights would be a lot longer. 1 vs. 2 matchups are incredibly rare.

Damn it Sweet Pea I know, but I had to give something close, it was the fight of the..........