Key takeaways
Antonio Arroyo beat Stephen Regman by submission at 3:31 of round two in the main event of DWCS 3.4 at the UFC Apex in Las Vegas. In the co-main event, Ode Osbourne beat Armando Villarreal by submission at 4:39 of round one.
Across the five bouts that produced a result, one ended by knockout, three by submission and one on the judges' scorecards — four stoppages in five fights. Every decision was unanimous: not one result divided the judges.
The quickest finish belonged to Brendan Allen, who stopped Aaron Jeffery at 3:23 of round one, and three of the four finishes came inside the opening round. The longest was Antonio Arroyo's submission of Stephen Regman, 8 minutes and 31 seconds in. End to end, the five fights filled 37 minutes of cage time.
One ranked fighters appeared. The only other ranked name was Brendan Allen, No. 4 at middleweight.
ESPN+ carried all five bouts.