David Benavidez became the first boxer to win championships at 168, 175 and 200 pounds, pounding his former sparring partner Gilberto “Zurdo” Ramirez and knocking him out at 2:59 of the sixth round to win the WBA and WBO cruiserweight titles on Saturday night.
Benavidez (32-0, 26 knockouts) not only remained undefeated, but showed why he was a -600 favorite in twice sending Ramirez (48-2, 30 KOs) to the canvas.
In the co-main event, WBA super middleweight championship fight, Jaime Munguía (46-2, 35 KOs) upset title holder Armando Reséndiz (16-3, 11 KOs) by winning a resounding unanimous decision. Reséndiz was a -200 favorite, but Munguía — the former WBO junior middleweight champ — was the aggressor from the start and won by scores of 117-111, 119-109 and 120-108.