'The Spider' holds down top spot on pound-for-pound list

An incredible run by UFC middleweight champion Anderson Silva, combined with a long period of inactivity by Russian heavyweight stalwart
Fedor Emelianenko, has resulted in a shakeup at the top of Sherdog.com's pound-for-pound mixed martial arts rankings. What does the rest of the list look like?

For a list of the 10 best fighters in each weight division, click here.