The official Ultimate Fighting Championship (UFC) rankings have been updated following UFC Fight Night 61, which went down this past weekend (Sun., Feb. 22, 2015) inside Gigantinho Gymnasium in Porto Alegre, Rio Grande do Sul, Brazil.

For complete "Bigfoot vs. Mir" results and play-by-play click here.

It's a good day for lightweight Michael Johnson, who rocketed up the 155-pound charts with his unanimous decision win over Edson Barboza (highlights). The Brazilian dropped to No. 8 with the loss and you can expect "The Menace" to get a big name his next time out.

Speaking of big...

"Bigfoot" Silva took a big drop -- not just to the canvas in Brazil -- but in the heavyweight standings, as well, tumbling to No. 12. With the knockout victory, Frank Mir jumps two spots to No. 11 and is oh-so-close to once again being a top-10 fighter.

That's not all.

Here's what the rest of the field looks like courtesy of UFC.com Note: (+/- = movement in rankings, *NR = Not previously ranked).

POUND-FOR-POUND

1 Jon Jones

2 Jose Aldo

3 Demetrious Johnson

4 Chris Weidman

5 Anthony Pettis

6 Cain Velasquez

7 Ronda Rousey

8 TJ Dillashaw

9 Anderson Silva

10 Robbie Lawler

11 Renan Barao

12 Johny Hendricks

13 Vitor Belfort

14 Dominick Cruz

15 Fabricio Werdum



FLYWEIGHT

Champion : Demetrious Johnson

1 John Dodson

2 Joseph Benavidez

3 Ian McCall

4 John Moraga +1

5 Jussier Formiga -1

6 Ali Bagautinov

7 John Lineker

8 Kyoji Horiguchi

9 Zach Makovsky

10 Chris Cariaso

11 Timothy Elliott +1

12 Dustin Ortiz -1

13 Wilson Reis

14 Brad Pickett

15 Chico Camus



BANTAMWEIGHT

Champion : TJ Dillashaw

1 Renan Barao

2 Dominick Cruz

3 Urijah Faber

4 Raphael Assuncao

5 Michael McDonald

6 Takeya Mizugaki

7 Eddie Wineland

8 Johnny Eduardo +1

9 Bryan Caraway +1

10 Iuri Alcantara -2

11 Francisco Rivera

12 Frankie Saenz *NR

13 Erik Perez -1

14 Alex Caceres -1

15 Mitch Gagnon -1

FEATHERWEIGHT

Champion : Jose Aldo

1 Frankie Edgar

2 Chad Mendes

3 Conor McGregor

4 Ricardo Lamas

5 Cub Swanson

6 Dennis Bermudez

7 Dustin Poirier

8 Nik Lentz

9 Charles Oliveira

10 Max Holloway

11 Jeremy Stephens

12 Clay Guida

13 Dennis Siver

14 Darren Elkins

15 Hacran Dias



LIGHTWEIGHT

Champion : Anthony Pettis

1 Rafael dos Anjos

2 Khabib Nurmagomedov

3 Donald Cerrone

4 Gilbert Melendez

5 Benson Henderson

6 Michael Johnson +6

7 Josh Thomson

8 Edson Barboza -2

9 Myles Jury -1

10 Bobby Green -1

11 Eddie Alvarez -1

12 Jim Miller -1

13 Jorge Masvidal

14 Al Iaquinta +1

15 Nate Diaz *NR



WELTERWEIGHT

Champion : Robbie Lawler

1 Johny Hendricks

2 Rory MacDonald

3 Tyron Woodley

4 Carlos Condit

5 Matt Brown

6 Hector Lombard

7 Demian Maia

8 Tarec Saffiedine

9 Kelvin Gastelum +1

10 Dong Hyun Kim -1

11 Jake Ellenberger

12 Rick Story

13 Thiago Alves

14 Gunnar Nelson +1

15 Ryan LaFlare -1

MIDDLEWEIGHT

Champion : Chris Weidman

1 Jacare Souza +1

2 Anderson Silva -1

3 Lyoto Machida

4 Vitor Belfort

5 Luke Rockhold

6 Yoel Romero

7 Gegard Mousasi

8 Tim Kennedy

9 Michael Bisping

10 Thales Leites

11 CB Dollaway

12 Costas Philippou

13 Mark Munoz

14 Tim Boetsch

15 Brad Tavares



LIGHT HEAVYWEIGHT

Champion : Jon Jones

1 Anthony Johnson

2 Alexander Gustafsson

3 Daniel Cormier

4 Rashad Evans

5 Ryan Bader

6 Glover Teixeira

7 Phil Davis

8 Ovince Saint Preux

9 Jimi Manuwa

10 Mauricio Rua

11 Rafael Cavalcante

12 Fabio Maldonado

13 Antonio Rogerio Nogueira

14 Patrick Cummins

15 Dan Henderson



HEAVYWEIGHT

Champion : Cain Velasquez

1 Fabricio Werdum (Interim Champion)

2 Junior Dos Santos

3 Travis Browne

4 Stipe Miocic

5 Mark Hunt

6 Josh Barnett

7 Andrei Arlovski

8 Roy Nelson +1

9 Alistair Overeem +2

10 Ben Rothwell

11 Frank Mir +2

12 Antonio Silva -4

13 Matt Mitrione -1

14 Gabriel Gonzaga

15 Stefan Struve

WOMEN'S STRAWWEIGHT

Champion : Carla Esparza

1 Joanna Jedrzejczyk

2 Claudia Gadelha

3 Jessica Penne

4 Rose Namajunas

5 Tecia Torres

6 Joanne Calderwood

7 Randa Markos

8 Felice Herrig

9 Aisling Daly

10 Paige VanZant

11 Heather Clark

12 Juliana Lima

13 Angela Hill

14 Seohee Ham

15 Bec Rawlings



WOMEN'S BANTAMWEIGHT

Champion : Ronda Rousey

1 Cat Zingano

2 Miesha Tate

3 Alexis Davis

4 Sara McMann

5 Sarah Kaufman

6 Jessica Eye

7 Bethe Correia

8 Liz Carmouche

9 Amanda Nunes

10 Marion Reneau *NR

11 Jessica Andrade -1

12 Julianna Pena -1

13 Holly Holm

14 Raquel Pennington -2

15 Germaine de Randamie -1

Interesting.

You can expect these standings to change when the UFC 184: "Rousey vs. Zingano" pay-per-view (PPV) event goes down this Saturday night (Feb. 28, 2015) inside Staples Center in Los Angeles, California. To check out that entire fight card and line up click here.

Until then, let us know what you think of the latest movement in the comments section below.