Amir Khan Not Ready for Floyd Mayweather Jr.

WBA junior welterweight champion Amir Khan of Bolton, England is dreaming of a showdown with American boxing superstar Floyd Mayweather. But that?s likely as far as it?ll get. Khan, who is in the Philippines helping his trainer Freddie Roach prepare Manny Pacquiao for his Nov. 13 fight against Antonio Margarito, said he?d love to take on Mayweather by the end of 2011. The 23-year-old Khan (23-1, 17 KOS) has a lot on his plate right now considering he?s using the sessions with Roach and Pacquiao …