LAS VEGAS – Josefine Knutsson beat Julia Polastri with a unanimous decision Saturday to open the preliminary card at UFC on ESPN 58 at the UFC Apex in Las Vegas. Take a look inside the fight with Knutsson, who stayed unbeaten with her sixth straight decision win. Result: Josefine Knutsson def. Julia Polastri via unanimous decision (29-28, 29-28, 29-28) Updated records: Knutsson (8-0 MMA, 2-0 UFC), Polastri (12-4 MMA, 0-1 UFC) Key stats: Knutsson outstruck Polastri 145-86