John-Juarez bout highlights Mayweather undercard

LAS VEGAS -- Chris John's featherweight title rematch with Rocky Juarez highlights a strong lineup for the undercard of Floyd Mayweather Jr.'s comeback fight against Juan Manuel Marquez on Sept. 19.

Former welterweight champion Zab Judah also will meet Antonio Diaz in a 144-pound fight at the MGM Grand Garden in Las Vegas, while lightweight Australian brawler Michael Katsidis will take on former U.S. Olympian Vicente Escobedo.

Golden Boy Promotions CEO Richard Schaefer credits Mayweather for the impressive slate. He says the former pound-for-pound champion made the financial concessions necessary to stack the card.

John, from Indonesia, fought Juarez to a draw in February, then backed out of the first rematch date because of illness.