UFC 278 saw Leon Edwards stage one of the most impressive come-from-behind victories in recent memory during his main event rematch against Kamaru Usman.'Rocky' snatched the win from the jaws of defeat as he was clearly behind on the judges' scorecards. However, the British fighter did the unthinkable when he shut Usman's lights off with a head kick with less than a minute left in round five.Spinnin Backfist@SpinninBackfistLEON EDWARDS JUST KNOCKED OUT KAMARU USMAN TO WIN THE BELT IN THE FINAL ROUND #UFC278116803075LEON EDWARDS JUST KNOCKED OUT KAMARU USMAN TO WIN THE BELT IN THE FINAL ROUND #UFC278 https://t.co/HhzkckfPXaWith the win, Edwards claimed the UFC welterweight title and extended his unbeaten streak to 11 fights. On top of that, he prevented Usman from tying Anderson Silva's record (16 fights) for the longest winning streak in UFC history.UFC@ufcThe moment it hit @Leon_EdwardsMMA what he just did 📸#UFC2789227959The moment it hit @Leon_EdwardsMMA what he just did 📸#UFC278 https://t.co/Xa4lXZvhx5The co-main event featured a bizarre but undeniably entertaining battle between Paulo Costa and Luke Rockhold. The middleweight contenders went the distance, with Costa earning the nod after three rounds.UFC@ufcA big win for @BorrachinhaMMA - how did you score that one? #UFC2781439195A big win for @BorrachinhaMMA - how did you score that one? #UFC278 https://t.co/PRxM0hVTtDAfter the bout, an emotional Rockhold hinted at the possibility of his retirement. Costa, meanwhile, earned a much-needed bounce back from back-to-back losses.In the bantamweight division, Merab Dvalishvili further solidified his status as a championship contender by defeating Jose Aldo via unanimous decision. The Georgian is now on an eight-fight winning streak and is expected to enter the title conversation in the near future.UFC@ufc🗣 BY UNANIMOUS DECISION!!Make that 7 straight victories for @MerabDvalishvil! #UFC278966120🗣 BY UNANIMOUS DECISION!!Make that 7 straight victories for @MerabDvalishvil! #UFC278 https://t.co/Yek3JhiCBtLucie Pudilova dominated Yanan Wu in their women's bantamweight bout. The Czech fighter used her superior grappling to take Yanan down and finished the fight by raining down vicious elbows on her opponent.UFC@ufcWhat a ferocious finish @Lucie_Pudilova gets the finish in round 2![ #UFC278 | Main Card LIVE NOW on ESPN+ PPV ufc.ac/3dzdBxP ]22132What a ferocious finish 😤@Lucie_Pudilova gets the finish in round 2![ #UFC278 | Main Card LIVE NOW on ESPN+ PPV ufc.ac/3dzdBxP ] https://t.co/Vb1REefuh8Finally, Tyson Pedro kicked off the UFC 278 main card with an impressive technical knockout win over Harry Hunsucker. The Australian snagged his second victory of 2022 after spending the better part of four years away from the octagon.UFC@ufcAUSSIE AUSSIE AUSSIE!!!What a FLAWLESS performance by @Tyson_Pedro_! [ #UFC278 | Main Card LIVE on ESPN+ PPV ufc.ac/3dzdBxP ]1023154AUSSIE AUSSIE AUSSIE!!!What a FLAWLESS performance by @Tyson_Pedro_! [ #UFC278 | Main Card LIVE on ESPN+ PPV ufc.ac/3dzdBxP ] https://t.co/E9UQOEqoDIUFC 278 full card resultsMain CardLeon Edwards def. Kamaru Usman (c) via fifth-round knockout (head kick)Paulo Costa def. Luke Rockhold via unanimous decision (30-27, 30-27, 30-27)Merab Dvalishvili def. Jose Aldo via unanimous decision (29-28, 29-28, 30-27)Lucie Pudilova def. Wu Yanan via second-round TKO (elbows)Tyson Pedro def. Harry Hunsucker via first-round TKO (punches)Preliminary CardMarcin Tybura def. Alexander Romanov via majority decision (29-28, 28-29, 28-28)Jared Gordon def. Leonardo Santos via unanimous decision (30-27, 30-27, 30-27)Sean Woodson vs. Luis Saldana ruled a split draw (29-27, 27-29, 28-28)Ange Loosa def. A.J. Fletcher via unanimous decision (29-27, 29-28, 29-28)Amir Albazi def. Francisco Figueiredo via first-round submission (rear-naked choke)Aori Qileng def. Jay Perrin via unanimous decision (29-28, 29-28, 29-28)Victor Altamirano def. Daniel Da Silva via first-round TKO (punches)