Posted by Sabrina B. @gametimegirl UFC 142 Rio: Aldo vs. Mendes takes place tomorrow night, Jan. 14, at the HSBC Arena in Rio de Janeiro. The main card begins at 7:00 p.m. PT/10:00 p.m. ET with the preliminary bouts beginning at approximately 4:30 p.m. PT/7:30 p.m. ET. Check the full fight card after the jump…