UFC 142 weigh in results, information and details for 'Aldo vs Mendes' on Jan. 13 in Rio

The official weigh in event for UFC 142: "Aldo vs. Mendes" is set to take place this Friday (Jan. 13, 2012) live from the HSBC Arena in Rio de Janeiro, Brazil.

The first fighter is expected to tip the scale at 4 p.m. ET.

As usual, MMAmania.com will provide up-to-the-second coverage of the UFC 142 weigh-ins, as well as provide a detailed recap of the festivities as soon as they conclude.

"Aldo vs. Mendes" will be headlined by featherweight champion Jose Aldo, defending his 145-pound title against undefeated wrestler Chad Mendes. In addition, Vitor Belfort will strap on the gloves to try and ruin Anthony Johnson's debut at middleweight.

Here is the current UFC 142 fight card and line up:

Main event:

145 lbs.: Jose Aldo vs. Chad Mendes

Main card (pay-per-view):

185 lbs.: Vitor Belfort vs. Anthony Johnson
185 lbs.: Rousimar Palhares vs. Mike Massenzio
170 lbs.: Carlo Prater vs. Erick Silva
155 lbs.: Edson Barboza vs. Terry Etim

Preliminary card (FX Channel):

155 lbs.: Thiago Tavares vs. Sam Stout
265 lbs.: Gabriel Gonzaga vs. Ednaldo Oliveira
145 lbs.: Michihiro Omigawa vs. Yuri Alcantara
170 lbs.: Ricardo Funch vs. Mike Pyle

Preliminary card (Facebook):

145 lbs.: Felipe Arantes vs. Antonio Carvalho

MMAmania.com will provide LIVE blow-by-blow, round-by-round coverage of UFC 142, beginning with the PPV telecast at 10 p.m. ET on Jan. 14. In addition, we will deliver up-to-the-minute quick results of all the under card action much earlier on fight night.

It's going to be a fun night of fights so don't miss it. And remember to check us out for all the pre, during and post-fight UFC 142 coverage you can handle.

For the latest "Aldo vs. Mendes" news and notes check out our event archive right here.