Updated as of: 1/27/13
Heavyweight: 1) Cain Velazquez
2) Junior dos Santos
3) Fabricio Werdum
4) Daniel Cormier
5) Antonio Silva
6) Frank Mir
7) Alistair Overeem
8) Stefan Struve
9) Antonio Rodrigo Nogueira
10) Josh Barnett
Contenders: Mark Hunt, Roy Nelson, Cheick Kongo, Gabriel Gonzaga.
Name(s) to Watch: Stipe Miocic, Travis Browne, Alexander Volkov
Light Heavyweight: 1) Jon Jones
2) Dan Henderson
3) Lyoto Machida
4) Alexander Gustafsson
5) Shogun Rua
6) Antonio Rogerio Nogueira
7) Rashad Evans
8) Phil Davis
9) Glover Teixeira
10) Ryan Bader
Contenders: Gegard Mousasi, Rampage Jackson, Anthony Johnson, Forrest Griffin.
Name(s) to Watch: James Te Huna
Middleweight: 1) Anderson Silva
2) Chris Weidman
3) Vitor Belfort
4) Chael Sonnen
5) Michael Bisping
6) Luke Rockhold
7) Mark Munoz8) Yushin Okami
9) Brian Stann
10) Costa Philippou
Contenders: Alan Belcher, Tim Boetsch, Hector Lombard, Jake Shields, Cung Le, Ronaldo Souza.
Name(s) to Watch: Ronny Markes
Welterweight: 1) Georges St. Pierre
2) Johny Hendricks
3) Carlos Condit
4) Nick Diaz
5) Demian Maia
6) Rory MacDonald
7) Martin Kampmann
8) Jake Ellenberger
9) Jon Fitch
10) Ben Askren
Contenders: Tarec Saffeidine, Nate Marquardt, Josh Koscheck, Mike Pierce, Matt Brown.
Name(s) to Watch: Erick Silva, Tyron Woodley.
Lightweight: 1) Ben Henderson
2) Gray Maynard
3) Anthony Pettis
4) Nate Diaz
5) Gilbert Melendez
6) Donald Cerrone
7) Jim Miller
8) Michael Chandler
9) TJ Grant
10) Eddie Alvarez
Contenders: Joe Lauzon, Jamie Varner, Rafael dos Anjos, Khabib Nurmagomedov.
Name(s) to Watch: Tim Means, Marcin Held.
Featherweight: 1) Jose Aldo
2) Ricardo Lamas
3) Chad Mendes
4) Frankie Edgar
5) Pat Curran
6) Chan Sung Jung
7) Dennis Siver
8) Cub Swanson
9) Nik Lentz
10) Clay Guida
Contenders: Dustin Poirier, Erik Koch, Hatsu Hioki, Hacran Dias, Tatsuya Kawajiri, Diego Nunes.
Name(s) to Watch: Marcus Brimage, Dennis Bermudez, Max Holloway.
Bantamweight: 1) Dominick Cruz
2) Renan Barao
3) Urijah Faber
4) Michael McDonald
5) Eddie Wineland
6) Brian Bowles
7) Brad Pickett
8) Bibiano Fernandes
9) Scott Jorgensen
10) Raphael Assuncao
Contenders: Tyson Nam, Mike Easton, Eduardo Dantas, Marcos Galvao, Takeya Mizugaki, Yuri Alcantara.
Name(s) to Watch: Erik Perez, Francisco Rivera, Alex Caceres.
Flyweight: 1) Demetrious Johnson
2) Joseph Benavidez
3) Ian McCall
4) John Dodson
5) Darrel Montague
6) John Moraga
7) Jussier Formiga
8) Chris Cariaso
9) Louis Gaudinot
10) John Lineker
Contenders: Darren Uyenoyama, Mitsuhisa Sunabe, Mamoru Yamaguchi, Will Campuzano, Yasuhiro Urushitani, Kentaro Watanabe.
Name(s) to Watch: Sean Santella, Josh Sampo, Tim Elliot, Sergio Pettis.
Women's Featherweight: 1) Cris Cyborg
2) Marloes Coenen
3) Milana Dudieva
4) Germaine de Randamie
5) Ediane Gomes
6) Elaina Maxwell
7) Julia Budd
8) Yana Kunitskaya
9) Romy Ruyssen
10) Hiroko Yamanaka
Contenders: Lauren Taylor, Ashley Sanchez, Fiona Maxwell.
Name(s) to Watch: Randi Miller, Veronica Rothenhausler.
Women's Bantamweight: 1) Ronda Rousey
2) Miesha Tate
3) Sara McMann
4) Alexis Davis
5) Sarah Kaufman
6) Liz Carmouche
7) Shayna Baszler
8) Sarah D’Alelio
9) Cat Zingano
10) Amanda Nunes
Contenders: Rin Nakai, Hitomi Akano, Leslie Smith, Shana Nelson.
Name(s) to Watch: Jessamyn Duke, Holly Holm
Women's Flyweight: 1) Rosi Sexton
2) Jessica Eye
3) Vanessa Porto
4) Barb Honchak
5) Zoila Gurgel
6) Sheila Gaff
7) Michelle Ould
8) Tara LaRosa
9) Munah Holland
10) Claudia Gadelha
Contenders: Reyna Cordoba, Takayo Hashi, Kalindra Carvalho Faria.
Name(s) to Watch: Jocelyn Lybarger, Sarah Maloy.
Women's Strawweight: 1) Jessica Aguilar
2) Megumi Fujii
3) Carla Esparza
4) Ayaka Hamasaki
5) Katja Kankaanpaa
6) Joanne Calderwood
7) Felice Herrig
8) Seo Hee Ham
9) Aisling Daly
10) Mei Yamaguchi
Contenders: Bec Hyatt, Yuki Tsuji, Ashley Cummins, Patricia Vidonic.
Name(s) to Watch: Tecia Torres.
Women's Atomweight: 1) Jessica Penne
2) Naho Sugiyama
3) Michelle Waterson
4) Yasuko Tamada
5) Cassie Rodish
6) Lisa Ellis
7) Kikuyo Ishiwaka
8) Lacey Schuckman
9) Misaki Takimoto
10) Nicdali Rivera-Calonic
Contenders: Satomi Akano, Stephanie Frausto Liz McCarthy, Amy Davis.
Name(s) to Watch: Laura Marcusse.
Let us know what you guys think. Tell us in the comments or on Twitter @Champion_Rounds.
