Mayweather's antics have made him the hottest pay-per-view draw in boxing, but he's made plenty of enemies and caused plenty of headaches along the way. Will we see another controversial moment on Saturday when the mercurial star fights Robert Guerrero?
Mayweather's least favorite thing to do | Key wins | 'Money' bloody before fight
The WWE angle: Floyd Mayweather's stint in the WWE climaxed with a fight against "Big Show" at Wrestlemania
XXIV. (Getty) AFP PICTURES OF THE YEAR 2011 Floyd Mayweather Jr. slams a right to the head of WBC Welterweight Champion Victor Ortiz in the 4th round as referee Joe Cortez looks on, ending the fight on September 17, 2011 at the MGM Grand Garden Arena in Las Vegas. Mayweather beat Ortiz in a knockout to win the WBC Welterweight title. (Photo by John Gurzinski/AFP/Getty Images) Zab Judah's low-blow enraged Floyd Mayweather's uncle, Roger, into a full-on assault in the middle of the boxing ring, but Floyd stayed cool throughout the incident. (Getty) LAS VEGAS, NV - MAY 05: (L) Singer Justin Bieber holds up a belt for Floyd Mayweather Jr. before Mayweather Jr. takes on Miguel Cotto during their WBA super welterweight title fight at the MGM Grand Garden Arena on May 5, 2012 in Las Vegas, Nevada. (Photo by Al Bello/Getty Images) Father and son dramatics: Before his fight against Victor Ortiz, Floyd Mayweather Jr. and Floyd Mayweather Sr. had a falling out, of sorts. You can read about it here, and watch it here. LAS VEGAS, NV - MAY 05: HBO commentator Larry Merchant interviews Floyd Mayweather Jr. after Mayweather Jr. defeats Miguel Cotto by unanimous decision during their WBA super welterweight title fight at the MGM Grand Garden Arena on May 5, 2012 in Las Vegas, Nevada. (Photo by Al Bello/Getty Images) Floyd Mayweather Jr., left, is led away by court marshall Ron Johnson, Friday, June 1, 2012, in Las Vegas, to begin a 90-day jail term for attacking his ex-girlfriend in September 2010 while two of their children watched. The undefeated five-division champion surrendered Friday before the judge who sentenced him in December, and then allowed him to remain free long enough to headline a May 5 fight. (AP Photo/Julie Jacobson) Power play: After his lawyers complained about conditions he faced in prison, Floyd Mayweather posted a photo the day of his release showing a bulky physique. (Credit: @floydmayweather) Floyd Mayweather Jr. and 50 Cent aka Curtis Jackson attends the Lionsgate Home Entertainment and Grindstone VIP screening of "Freelancers" at the Mann Chinese Theater Hollywood, California - 08.08.12 Mandatory Credit: FayesVision/WENN.com