He rose to acclaim based on his accomplishments in four weight classes. It's expected that Donaire could ascend a few more weight divisions before he calls it a career.
But merely going through weight divisions isn't enough to displace Floyd Mayweather or Andre Ward, the consensus No. 1 and 2 fighters on the pound-for-pound lists.
Donaire's choice of opponent will play a major role in whether he will beat Mayweather for the top spot. Here's a look at a path Donaire could take to get there.