No Viloria, but changes on the way?

Who is the world's best fighter, regardless of weight class? Check out ESPN's top 10, which now seems out of reach for Brian Viloria but could nevertheless undergo a significant makeover in the coming weeks. If you have a comment about the rankings, please use #ESPNP4P on Twitter.

Don't forget to check out Dan Rafael's divisional rankings, which are updated weekly.

For a list of the current champions in all weight classes, click here.

Note: Results are through April 8.