Reliable sources have informed Boxingtalk.com that undefeated pound for pound king Floyd Mayweather Jr will face welterweight king Carlos Baldomir on November 4. The Mandalay Bay in Las Vegas, will host the bout which will broadcast live on HBO PPV. Mayweather, his advisor Leonard Ellerbe and Sycuan's Willie Tucker and Glenn Quiroga were unavailable for immediate comment.  Much more to follow, until then Remember where you heard it first! (4:22 PM EST)