Irish singer Bono (R) and guitarist The Edge perform with their band U2 during their show at Morumbi stadium in Sao Paulo April 9, 2011, as part of their 360 Tour. [Photo/Agencies]

Erik Morales of Mexico exits the ring with a swollen eye after losing a WBA interim super lightweight title fight to Marcos Maidana of Argentina at the MGM Grand Garden Arena in Las Vegas, Nevada April 9, 2011. Maidana won the fight by majority decision. [Photo/Agencies]