I have watched every UFC and Pride fights. Currently, I think Fedor and Anderson silva are the best fighters in the world in their weightclass
MMA Rankings- Heavyweights:
Fedor
Brock Lesnar UFC Champion
Cain Velasquez (+200)
Josh Barnett (+320)
Big Nog (+340)
Cheick Kongo (+400)
Shane Carwin (+400)
Alistair Overeem (+400) Strikeforce Champion
Junior Dos Santos (+400)
Brett Rogers (+420)
Aleks Emelianenko (+420)
Frank Mir (+420)
Gabriel Gonzaga (+420)
Fabricio Werdum (+420)
Antonio Silvia (+420)
Pat Barry (+440)
Andrei Arlovski (+440)
Ben Rothwell (+480)
Heath Herring (+600)
Paul Buentello (+620)
Tim Sylvia (+620)
Jake O'Brien (+700)
Kimbo Slice (+700) Newest TUF Star?
MMA Rankings-Light Heavyweights:
Lyoto Machida UFC Champion
Quinton Jackson (+60)
Rashad Evans (+120)
Gegard Mousasi (+120) Dream MW GP Champion, Strikeforce LHW Champion
Dan Henderson (+140)
Antonio Rogerio Nogueira (+160) impressive win over Cane
Shogun Rua (+180)
Thiago Silva (+200)
Jon Jones (+280)
Forrest Griffin (+280) solid win over Tito
Luiz Cane (+280) tough loss to Lil Nog, but don't give up on him yet.
Vitor Belfort (+280)
Keith Jardine (+280)
Rich Franklin (+280)
Ricardo Arona (+280)
Babalu Sobral (+320)
Brandon Vera (+340)
Brian Stann (+340)
Steve Cantwell (+360)
Krzysztof Soszynski (+400)
Wanderlei Silva (+400)
Sokoudjou (+420)
Randy Couture (+460)
Tito Ortiz (+460) very limited offense
MMA Rankings-Middleweights:
Anderson Silva UFC Champion
Dan Henderson (+40)
Nate Marquardt (+100)
Jake Shields (+120) Strikeforce Champion
Robbie Lawler (+140)
Matt Hamill (+160)
Hector Lombard (+240) Bellator Champion
Melvin Manhoef (+240)
Jorge Santiago (+240)
Demian Maia (+240)
Yoshihiro Akiyama (+240)
Kazuo Misaki (+240)
Ronaldo Souza (+240)
Rousimar Palhares (+240)
Alan Belcher (+240)
Michael Bisping (+240)
Chael Sonnen (+240)
Yushin Okami (+240)
Wilson Gouveia (+240)
Benji Radach (+240)
Aaron Simpson (+240)
Mamed Khalidov (+240)
Kendall Grove (+240) always dangerous
Jake Rosholt (+240) dominating Kendall, but still inexperienced
Dan Miller (+240)
Cung Le (+280)
Muhammed Lawal (+290)
Nate Quarry (+290)
Denis Kang (+290)
Ricardo Almeida (+290)
Jorge Rivera (+300)
Thales Lietes (+300)
MMA Rankings-Welterweights:
Georges St. Pierre UFC Champion
Josh Koscheck (+320) big win over a top fighter, Rumble.
Jake Shields (+320)
Jon Fitch (+320)
Thiago Alves (+360)
Anthony Johnson (+360) competed well against Koscheck
Dan Hardy (+400)
John Hathaway (+400)
Nick Diaz (+460)
Matt Hughes (+500)
Carlos Condit (+500)
Mike Pierce (+500)
Ricky Story (+500)
Matt Brown (+500)
Ben Saunders (+500) impressive win over a quality striker, beat Davis at his own game
Mike Swick (+500)
Dustin Hazelett (+520)
Lyman Good (+520) Bellator Champion
Martin Kampmann (+540)
Marcus Davis (+540) badly beaten, may have missed his window
Jay Hieron (+540)
Marius Zaromskis (+540) Dream Champion
Rory Markham (+540)
Danillo Villefort (+560)
Tamden McCrory (+560)
Spencer Fisher (+560)
Paul Daley (+560)
Jake Ellenberger (+560)
James Wilks (+560)
Matt Serra (+560)
Chris Lytle (+580)
MMA Rankings-Lightweights:
BJ Penn UFC Champion
Tyson Griffin (+80)
Diego Sanchez (+120)
Kenny Florian (+120)
Joe Stevenson (+180)
Gray Maynard (+200)
Shinya Aoki (+200) Dream Champion
Joachim Hansen (+200)
Eddie Alvarez (+200) Bellator Champion
Frankie Edgar (+220)
Tatsuya Kawajiri (+240)
Takanori Gomi (+240)
Josh Thomson (+240) Strikeforce Champion
Jim Miller (+240)
Hayato "Mach" Sakurai (+240)
Jamie Varner (+260) WEC Champion
Gesias Calvancante (+260)
Sean Sherk (+280)
Clay Guida (+300)
Gleison Tibau (+300)
Joe Lauzon (+300)
Ross Pearson (+300)
George Sotiropoulos (+300) great submission game, still improving.
Ben Henderson (+300)
Donald Cerrone (+300)
Gilbert Melendez (+300)
Mark Bocek (+300)
Roger Huerta (+300)
Hermes Franca (+300)
Mizuto Hirota (+300) Sengoku Champion
Vitor Ribeiro (+320)
Thiago Tavares (+320)