Check out the betting odds for tonight’s UFC Vegas 54 card, where former light heavyweight champion, Jan Blachowicz, is the underdog to Aleksandar Rakic in the main event. It’s fight day for UFC Vegas 54, which is going down from the APEX facility in Las Vegas, Nevada. The top of the billing is getting former light heavyweight champion, Jan Blachowicz, in his first match since losing his title — and he will be meeting the company’s #3 ranked 205-pounder, Aleksandar Rakic. before any of that, let’s first take a peek at the betting odds. The former champion isn’t getting any…