Andre Berto fans maybe devastated with this but it was for a excellent cause, at least it was better than what Mayweather did to dodge Pacquiao
Andre Berto’s (25-0, 19 by KO) withrew from his fight with Shane Mosley (46-5, 39 by KO) due to the devastating earthquake of Haiti which killed thousands. Berto being half Haitian helped his fellow country men during this crisis.

“As a result of this disaster I am mentally and physically exhausted and therefore I have no choice but to retreat from my bout on January 30,” expressed the undefeated WBC champion Andre Berto.”

Though due to this unexpected turn of events, boxing fans may witness a heated battle between Mayweather and Mosley.
Sources:
http://www.eastsideboxing.com/news.php?p=22487&more=1
http://www.nowboxing.com/2010/01/andre-berto-withdraws-from-mosley-fight-to-focus-on-haitian-relief/7449