The rematch between Chris Weidman and Anderson Silva ended early in the second round when the Brazilian suffered a serious injury to his left shin.
Before the accident, Weidman had dominated the first round with good punches that took Silva to the ground and a powerful ground-and-pound game.
With the result, Weidman is still the UFC middleweight champion.
In the co-main event of the evening, Ronda Rousey needed three rounds to catch Miesha Tate in her trademark armbar and also retain her belt.
Se the full results below.
-Chris Weidman def. Anderson Silva by injury (broken leg) at 1:16 of R2
-Ronda Rousey def. Miesha Tate by submission (armbar) at 0:58 of R3
-Travis Browne def. Josh Barnett by TKO at 1:00 of R1
-Jim Miller def. Fabricio Camoes by submission (armbar) at 3:42 of R1
-Dustin Poirier def. Diego Brandao by TKO at 4:54 of R1
-Uriah Hall def. Chris Leben by TKO at 5:00 of R1
-Michael Johnson def. Gleison Tibau by KO at 1:32 of R2
-Dennis Siver def. Manny Gamburyan by unanimous decision
-John Howard def. Siyar Bahadurzada by unanimous decision
-William “Patolino” Macario def. Bobby Voelker by unanimous decision
– Robbie Peralta def. Estevan Payan by TKO at 0:12 of R3