Here's my list and it's completely unbiased. 1) Anderson Silva-10 title defenses and made ppl look like they never fought before. 2) Fedor-Dominant for many years and was unbeatable in his prime. 3) GSP-8 title defenses, the 9th was bullshit. He lacks the finishes for the top 2 spot, but has the most impressive resume of all time. 4) Jon Jones-7 title defenses, one was questionable and the Sonnen one was a complete joke, but he's making his case for top 3 very soon. IF he beats DC and Gus decisively, I would put him at number 1. 5) BJ Penn- 1 of 2 to be ufc champ in two weight classes. Destroyed Hughes in his prime when he moved up from LW back in the day. 6) Matt Hughes-7 title defenses 7) Chuck Liddell-4 title defenses, 7 kos in a row 8) Wanderlei Silva-ran shit in Pride for a while 9) Jose Aldo-Needs to go back to WEC Aldo in order to crack top 5 10) Randy Couture-ufc champ in two weight classes, but was never that dominate unbeatable kind of guy and was handed title shots up the ass. Honorable Mentions: Dan Henderson and Big Nog. I will get heat for not putting Dan, but he's never been a dominate fighter and although hes had a great career, hes had so many close fights. For my top 10, you have to be dominate and he just wasn't.