Andre Petroski handed Nick Maximov his first professional loss earlier tonight (Sat., May 14, 2022) at UFC Vegas 54 live on ESPN2/ESPN+ from inside UFC Apex in Las Vegas, Nevada, with an impressive first-round submission (anaconda choke). Both middleweights are known for their grappling but started swinging heavy leather on the feet. That was until Maximov launched in for a single leg and it sparked a wild scramble for position. Petroski briefly had back control before Maximov rolled over and grabbed another leg. Petroski transitioned again and slapped in a tight anaconda choke. Maximov was patient, but it gave Petroski…