“Sugar” Shane Mosley(49-9-1, 41 KOs) explained to Fernando Pimentel of ThaBoxingVoice.com why he is going to get an interim shot for the WBA on Saturday at the Gila River Arena in Glendale, Arizona as he challenged WBA interim welterweight champion David Avanesyan (21-1-1, 11 KOs) for his title. “After I beat [Ricardo] Mayorga, I