In a decision that wasn't a total shock, Kelly Pavlik declined a rematch with Sergio Martinez and will move up from the 160-pound division to compete at 168 or 175 pounds.

ESPN.com's Dan Rafael first reported this.

Pavlik was totally outclassed in his unanimous-decision loss to Martinez on April 17. But Pavlik has struggled to make weight at 160 pounds, so the permanent move to 168 and above makes total sense.

It's also understandable considering the dearth of opponents available at 160 pounds. He pulled out of his bout with Paul Williams citing a hand injury.

"My take is that Kelly has been struggling to make weight. He made a comment the other day that he wished he had told us this five fights ago," Pavlik's co-manager Cameron Dunkin told ESPN.com.

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In doing so, Pavlik turned down a rematch with Martinez at 160 pounds. 

Possible opponents for Pavlik include Chad Dawson, but nothing is set in stone, according to Pavlik's camp.