Leon Edwards waited until the very last minute of a fight he was losing to unleash a perfectly placed head kick to knock out Kamaru Usman and lift the UFC welterweight title. Edwards' stunning last-minute victory at UFC 278 on Saturday in Salt Lake City ended Usman's 19-fight winning streak. [Full recap.]

UFC 278 live blog

UFC 278 main card full results, highlights

Welterweight: Leon Edwards def. Kamaru Usman by KO (head-kick) at 4:04 of R5:

Middleweight: Paulo Costa def. Luke Rockhold by unanimous decision (29-28, 29-28, 30-27)

Bantamweight: Merab Dvalishvili def. José Aldo by unanimous decision (29-28, 29-28, 30-27)

Bantamweight: Lucie Pudilová def. Wu Yanan by TKO at 4:04 of R2

Light Heavyweight: Tyson Pedro def. Harry Hunsucker by TKO at 1:05 of R1

UFC 278 preliminary card full results

Heavyweight: Marcin Tybura def. Alexander Romanov by majority decision (29-28, 29-28, 28-28)

Lightweight: Jared Gordon def. Leonardo Santos by unanimous decision (30-27, 30-27, 30-27)

Featherweight: Sean Woodson vs. Luis Saldaña ends in split draw (29-27, 27-29, 28-28)

Welterweight: Ange Loosa def. A.J. Fletcher by unanimous decision (29-27, 29-28, 29-82)

UFC 278 early preliminary card full results, highlights

Flyweight: Amir Albazi def. Francisco Figueiredo via submission (rear naked choke) at 4:34 of R1:

Bantamweight: Aori Qileng defs. Jay Perrin by unanimous decision (29-28, 29-28, 29-28)

Flyweight: Victor Altamirano def. Daniel Lacerda by TKO at 3:39 of R1: