UFC 323 offered electrifying matchups, heart-wrenching disappointments, and the rise of two new champions. Let's take a look at how the fight card unfolded.In the main event, Petr Yan did what many thought could never be done. He matched Merab Dvalishvili's pace, punished him with debilitating body shots, and even took 'The Machine' down a few times while cruising to a unanimous decision win.The co-main event of UFC 323 came to an anticlimactic close as flyweight champion Alexandre Pantoja suffered what seemed to be an elbow dislocation after tripping and falling from a head kick.Joshua Van is the new flyweight champion. With the win, 'The Fearless' became the first Asian-born male to win a UFC title.In the first flyweight clash of the main card, surging contender Tatsuro Taira scored a second-round TKO win over former champion Brandon Moreno. Many in the MMA world, including the commentators, felt the stoppage was premature.In the bantamweight contest between Henry Cejudo and Payton Talbott, 'Triple C' struggled from the get-go, with even his Olympic pedigree failing to stop the youngster from scoring back-to-back takedowns.While the former two-division champion tried to rally on the feet, Talbott was largely able to neutralize Cejudo with debilitating body shots. The scorecards ruled the fight a unanimous decision win for Talbott.In the opening bout of the main card, former light heavyweight champion Jan Blachowicz took on surging contender Bogdan Guskov.After enduring early adversity - including a knockdown in the second round - the Polish veteran rallied in the third, getting a knockdown of his own, with his opponent on wobbly legs as the closing bell rang. The fight was ultimately ruled a majority draw.PrelimsIn the feature prelim bout, Manuel Torres scored a first-round TKO over the No.13-ranked Grant Dawson. 'El Loco' will enter the top 15 in the next ranking update.Elsewhere on the card, Chris Duncan put on a grappling clinic, forcing a tapout from Terrance McKinney with an anaconda choke 2:30 minutes into the first round.After a health scare spoiled her last scheduled fight against Erin Blanchfield, Maycee Barber returned stronger at UFC 323, earning a unanimous decision win over Karine Silva.In the opening bout of the prelims, Fares Ziam scored a second-round TKO win over Nazim Sadykhov.Early prelimsIn the headlining bout of the early prelims, Brunno Ferreira earned a unanimous decision win over former middleweight title challenger Marvin Vettori. With the loss, 'The Italian Dream' is now on a four-fight skid.Elsewhere on the card, Jalin Turner secured a TKO win over Edson Barbosa at the 2:24 mark of Round 1. In the light heavyweight bout on the early prelims, Iwo Baraniewski knocked out Ibo Aslan 1:29 minutes into the opening round.The lone submission on the early prelims was delivered by Mansur Abdul-Malik. The 28-year-old locked in a guillotine choke on Antonio Trocoli in the opening round to secure the win.In the opening bout of the event, Mairon Santos scored a TKO over Muhammadjon Naimov 21 seconds into the third round.Full UFC 323 results rundownMain cardPetr Yan def. Merab Dvalishvili via unanimous decision (49-46,49-46,48-47)Joshua Van def. Alexandre Pantoja via TKO (arm injury, 0:26 of Round 1)Tatsuro Taira def. Brandon Moreno via TKO (1:06 of Round 2)Payton Talbott def. Henry Cejudo via unanimous decision (30-27, 30-27, 30-27)Jan Blachowicz vs. Bogdan Guskov ends in a majority draw (29-28, 28-28, 28-28)PrelimsManuel Torres def. Grant Dawson via TKO (2:25 of Round 1)Chris Duncan def. Terrance McKinney via submission (Anaconda choke, 2:30 of Round 1)Maycee Barber def. Karine Silva via unanimous decision (30-27, 29-28, 29-28)Fares Ziam def. Nazim Sadykhov via TKO (4:59 of Round 2)Early PrelimsBrunno Ferreira def. Marvin Vettori via unanimous decision (29-28, 29-28, 29-28)Jalin Turner def. Edson Barboza via TKO (2:24 of Round 1)Iwo Baraniewski def. Ibo Aslan via TKO (1:29 of Round 1)Mansur Abdul-Malik def. Antonio Trocoli via submission (Guillotine 1:09 of Round 1)Mairon Santos def. Muhammadjon Naimov via TKO (0:21 of Round 3)