On September 3, 2011, Jan Zaveck (31-1, 18 KOs), the welterweight IBF champion, defends his title against former world champion Andre Berto (27-1, 21 KOs).
Jan Zaveck is coming in to the fight on a 6-fight win streak with a 56% KO rate; his last fight was a 5th round KO victory over Paul Delgado, 6 months and 16 days ago. Andre Berto is on a 1-fight losing streak with a 75% KO rate, with his last fight being a unanimous decision loss to Victor Ortiz, 4 months and 18 days ago.
The winning odds are at 90.3-9.7 in favor of Andre Berto. It is going to be very difficult for Jan Zaveck to win this fight.
The champion refused to continue the fight in the 5th round, and Andre Berto is crowned the new IBF welterweight world champion. Berto improves his record to 28-1 (22 KOs), while Zaveck adds a loss to his record at 31-2.