Reliable sources directly involved with the siuation have informed Boxingtalk.com that former three division champion "Sugar" Shane Mosley is expected to be added to the televised undercard of the Marco Antonio Barrera-Robbie Peden PPV on September 17. The formal announcement of Mosley's addition to the card may come as early as Saturday morning at the MGM Grand, where a press conference will be held to officially announce the September 17 Barrera-Peden PPV.  If in fact Mosley is added to the card, which is expected to take place at the MGM Grand, he will likely receive the tune-up bout that he's been looking for at the cost of fighting on his second consecutive undercard. Mosley was unavailable for immediate comment, as was Golden Boy CEO Richard Schaefer. Stay tuned to our front page for all the latest, until then, REMEMBER WHERE YOU HEARD IT FIRST! (1:17 AM EST)