Mayweather should defeat Ortiz, but it won't be easy.
The two high-profile welterweights are at a standstill.
Victor Ortiz needs to pull the upset on Saturday and help boxing out of a rut.
WBC welterweight champion Victor Ortiz says Floyd Mayweather Jr's string of 41 fights without a defeat was over the moment their bout was announced.
Two welterweights battle in Las Vegas
Who will come out on top at the MGM Grand?
A look at Saturday's big fight in Las Vegas.
The Filipino fighter faces Juan Manuel Marquez in November.
Floyd Mayweather has Manny Pacquiao on his mind. That much is clear as he prepares to fight Victor Ortiz.
Filipino boxing champion Manny Pacquiao is now ready to face in an epic trilogy match-up Mexican archrival Juan Miguel Marquez on November 12 in MGM Grand in Las Vegas after rigid training with Freddie Roach.
World heavyweight champion Vitali Klitschko retained his WBC title on Saturday with a technical knockout of Polish challenger Tomasz Adamek in the 10th round in Wroclaw.
Oscar de la Hoya publically admitted to cheating on his wife, using cocaine and cross-dressing in a recent interview about his ongoing treatment for alcohol abuse and thoughts of suicide.
Former boxing champ and Olympic gold medalist Oscar De La Hoya says he is battling addictions to cocaine and alcohol and seeking to rebuild his relationship with his wife after being unfaithful.
The groups are calling on all pediatricians and other health professionals to strongly discourage parents from having their children participate in boxing. Instead, the groups ask that children be guided toward alternative sport and recreational activities such as swimming, tennis, basketball and volleyball.
Experts say children and teenagers should not practice boxing because their brains are more vulnerable to acute, chronic injuries and concussions caused by blows to the head.
Experts say children and teenagers should not practice boxing because their brains are more vulnerable to acute, chronic injuries and concussions caused by blows to the head.
The two most high-profile boxers could battle, but not for another two years.
Here is a list of the best pound-for-pound boxers today.
A look at where Khan fits with other elite boxers.
Amir Khan proved he's among the best boxers in his division.
Amir Khan wins in five rounds.
Two top welterweights battle in Las Vegas.