LAS VEGAS – MMA Junkie is on scene and reporting live from Saturday’s UFC on ESPN 40 event, and you can join us for live play-by-play and official results beginning at 7 p.m. ET (4 p.m. PT). UFC on ESPN 40 takes place Saturday at the UFC Apex in Las Vegas. The card airs on ESPN and streams on ESPN+. In the main event, former light heavyweight title challenger Thiago Santos (22-10 MMA, 14-9 UFC) takes on Jamahal Hill (10-1 MMA, 4-1 UFC). In the welterweight co-feature, Vicente Luque (21-8-1 MMA, 14-4 UFC) meets Geoff Neal (14-4 MMA, 6-2 UFC).…