Posted by Sabrina B. @gametimegirl The Ultimate Fighting Championship debuted on Fox in November with a single fight, and after Junior dos Santos stopped Cain Velasquez for the heavyweight title in less than a minute, many fans were left wanting more. The promotion comes back to the network with UFC on Fox 2, a heartier, THREE-fight main card offering from the United Center in Chicago.  It takes place tonight at 8p est!  Check the full fight card after the jump…