Athletes, celebrities, and sportswriters weigh in on the championship fight between Floyd Mayweather Jr. and Robert "The Ghost" Guerrero on Saturday night in Las Vegas.

Terry Bradshaw, NFL Hall of Famer: "Mayweather is a proud fighter who wants to remain undefeated. He knows how to win big fights...and he won't lose a fight in Vegas!"

Justin Bieber, pop star: "I've got Floyd all day."

Ray Rice, Baltimore Ravens: "By the eighth round, Mayweather will have worn him out and will capitalize with a knockout."

Michael Vick, Philadelphia Eagles: "I think it'll be a good fight, but 'Money' always makes the right adjustments so I don't see him losing. Floyd wins a unanimous 12-round decision."

DeSean Jackson, Philadelphia Eagles: "My big bro Floyd is going to win."

Matt Kemp, Los Angeles Dodgers: "Floyd by decision. He's too fast for Guerrero."

Andrew McCutchen, Pittburgh Pirates: "It will be a good fight and it will go the 12-round distance, but in the end, Mayweather will be victorious by a unanimous decision!"

Metta World Peace, Los Angeles Lakers: "Mayweather will rally late in the fight to win a decision, eight rounds to four."

Mario Lopez, TV personality: "It being Cinco De Mayo weekend and me being Mexican, I have to go with the upset and pick Guerrero by split decision in an entertaining and spirited fight."


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Ron Borges, Boston Herald: "Mayweather wins a decision. He will be in tough for a while, but he has too much speed, knowledge and defensive skills for Guerrero."

Steve Carp, Las Vegas Review-Journal: "Mayweather by decision. With only five fights left in his career, I expect Floyd to be ready to fight and not tarnish his legacy. While southpaws have given him some trouble in the past and Guerrero hits harder than people give him credit for, I don't think he can do enough damage over 12 rounds to beat Floyd."

Tim Dahlberg, Associated Press: "All fighters get old, and Floyd Mayweather is no exception. Jail and not fighting for a year at a time takes its toll. This is the fight he suddenly ages, and gets his first loss. Guerrero by decision."

Robert Morales, Los Angeles News Group: "Even though I believe Mayweather has slowed down just a bit, I don't think it will be enough for Guerrero to land enough clean punches to win the fight. Mayweather wins a decision."

Jon Saraceno, USA Today: "Floyd shakes off the rust and wins a decision."