Benavidez KOs Ramirez in the 6th to win the WBA and WBO cruiserweight titles
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.




















