Ultimate Fighting Championship (UFC) signed, sealed, and will soon deliver a middleweight main event between top 185-pound contenders Jared Cannonier and Sean Strickland for the upcoming UFC Vegas 66 mixed martial arts (MMA) fight card on ESPN+, scheduled for Sat., Dec. 17, 2022 at the promotion’s APEX facility in Las Vegas, Nevada. Now they have an official poster. Cannonier (15-6) came up short in his bid to dethrone former middleweight titleholder Israel Adesanya after five rounds of action at UFC 276 last July. Despite the setback, the 38 year-old “Killa Gorilla” remains ranked in the No. 3 slot behind ex-champion…