Floyd Mayweather Jr. defeats Marcos Maidana

Floyd Mayweather Jr. smiles as he makes his way toward the ring before his welterweight unification title bout against Marcos Maidana at the MGM Garden Arena in Las Vegas.  (Harry How / Getty Images)

Recording artist Lil Wayne signs before Saturday’s welterweight unification title bout between Floyd Mayweather Jr. and Marcos Maidana at the MGM Garden Arena in Las Vegas.  (Isaac Brekken / Associated Press)

Marcos Maidana, left, and Floyd Mayweather Jr. trade blows during their welterweight unification title fight at the MGM Garden Arena in Las Vegas. Mayweather won the bout by majority decision.  (Isaac Brekken / Associated Press)

Marcos Maidana, left, and Floyd Mayweather Jr. trade blows during their welterweight unification title fight at the MGM Garden Arena in Las Vegas. Mayweather won the bout by majority decision.  (Harry How / Getty Images)

Floyd Mayweather Jr. celebrates his victory by majority decision over Marcos Maidana in a welterweight unification title bout at the MGM Garden Arena in Las Vegas.  (Harry How / Getty Images)

Floyd Mayweather Jr., right, throws a right to the face of Marcos Maidana during their welterweight unification title fight at MGM Garden Arena in Las Vegas. Mayweather Jr. won by majority decision.  (Isaac Brekken / Associated Press)

Marcos Maidana, right, pushes Floyd Mayweather into the ropes during their welterweight unification title fight at the MGM Garden Arena in Las Vegas. Mayweather won the bout by majority decision.  (Eric Jamison / Associated Press)

Floyd Mayweather Jr., right, connects on a right punch to the face of Marcos Maidana during their welterweight unification title fight in Las Vegas on Saturday night.  (Ethan Miller / Getty Images)

Floyd Mayweather Jr. sits in his corner during his welterweight unification title fight against Marcos Maidana in Las Vegas. Mayweather Jr. won by majority decision.  (Isaac Brekken / Associated Press)

Floyd Mayweather Jr., left, tries to fend off Marcos Maidana while leaning on the ropes during their welterweight unification title fight in Las Vegas on Saturday night.  (Eric Jamison / Associated Press)

Floyd Mayweather Jr., left, trades blows with Marcos Maidana during their welterweight unification title fight in Las Vegas on Saturday night.  (Isaac Brekken / Associated Press)

Floyd Mayweather Jr., right, avoids a left hook from Marcos Maidana during their welterweight unification title bout in Las Vegas on Saturday night.  (Harry How / Getty Images)

Floyd Mayweather Jr. smiles during his welterweight unification title fight with Marcos Maidana at the MGM Garden Arena in Las Vegas. Mayweather won by majority decision.  (Harry How / Getty Images)

Floyd Mayweather Jr., right, exchanges blows with Marcos Maidana during their welterweight unification title fight in Las Vegas. Mayweather won by majority decision.  (Ethan Miller / Getty Images)

Floyd Mayweather Jr. hold his head after he suffers a cut to the face during his welterweight unification title fight against Marcos Maidana in Las Vegas on Saturday night. Mayweather Jr. won by majority decision.  (Ethan Miller / Getty Images)

Cut man Rafael Garcia, left, works on a cut above Floyd Mayweather’s left eye during his welterweight unification title bout against Marcos Maidana at the MGM Garden Arena in Las Vegas.  (Harry How / Getty Images)

Floyd Mayweather Jr. looks on during his welterweight unification title bout against Marcos Maidana at the MGM Garden Arena in Las Vegas. Mayweather Jr. won by majority decision.  (Harry How / Getty Images)

Marcos Maidana, right, throws a left punch to the body of Floyd Mayweather Jr. during their welterweight unification title fight at the MGM Gardena Arena in Las Vegas. Mayweather Jr. won by majority decision.  (Eric Jamison / Associated Press)

Floyd Mayweather Jr., right, throws a right punch to the face of Marcos Maidana during their welterweight unification title fight in Las Vegas on Saturday night.  (Ethan Miller / Getty Images)

Floyd Mayweather Jr., right, connects on a right cross to the face of Marcos Maidana during their welterweight unification title fight in Las Vegas on Saturday night. Floyd Mayweather won the bout by majority decision.  (Eric Jamison / Associated Press)

Floyd Mayweather Jr. celebrates his victory by majority decision over Marcos Maidana in a welterweight unification title bout at the MGM Garden Arena in Las Vegas.  (Harry How / Getty Images)

Floyd Mayweather Jr. celebrates with recording artist Justin Bieber, left, following his welterweight unification title victory over Marcos Maidana at the MGM Garden Arena in Las Vegas.  (Harry How / Getty Images)

Floyd Mayweather Jr. poses with his title belt after his welterweight unification championship victory over Marcos Maidana at the MGM Garden Arena in Las Vegas.  (Isaac Brekken / Associated Press)