Lester Martinez remained undefeated by stopping Isaiah Steen in round eight of their 10-round super middleweight bout at The Westgate Hotel in Las Vegas.
In round three, Martinez dropped Steen with a left hook.
Martinez continued to dominate the action, and in round eight, Martinez landed some hard right hands on the ropes that forced a referee stoppage at 1:15.
Martinez of Guatemala City, Guatemala is 15-0 with 13 knockouts. Steen of Toledo, Ohio is 16-2.
Britton Norwood stopped Nicolas Masseroni in the opening round of their eight-round cruiserweight bout.
Norwood dropped Masseroni hard on his back with a straight left and the fight was over at 1:20.
Norwood of Las Vegas is 13-4-1 with 10 knockouts. Mssseroni of Buenos Aries, ARG is 20-2.
David Alaverdian won a six-round majority decision over Ernesto Irias in a super flyweight bout.
Alaverdian of Las Vegas via Israel won by scores of 59-55 twice and 57-57 is now 8-0-1. Irias of Baton Rouge, LA is 15-7-1.
Henry Rivera stopped Tyre Rivera in round three of their four-round junior middleweight bout.
The bout was stopped at 1:29 of round three for Henry Rivera of Las Vegas who is now 2-0 with one knockout. Tyre Rivera is 0-2.