By Vadim Pushkin

Main Events CEO Kathy Duva, who promotes light heavyweight contender Sergey Kovalev (30-1, 26 KOs), is still waiting for an response from Roc Nation Sports, who promote IBF, WBO, WBA world champion Andre Ward (30-0, 15 KOs), to begin negotiations for their contracted rematch.

Last November at the T-Mobile Arena in Las Vegas, Ward won a close twelve round unanimous decision over Kovalev to capture the world titles and hand the Russian puncher his first career defeat. All three judges saw it 114-113 for Ward.

There was an immediate rematch clause, which Kovalev exercised. Ward is unable to take another fight, with or without the titles, until he faces Kovalev.

Duva has been waiting eagerly to begin the rematch negotiations, but she's been unable to get Roc Nation in position to start their discussions.

"We are still waiting for a response from Roc Nation regarding the start of negotiations for the rematch. Hopefully soon this issue will move forward," said Duva to Vasiliy Konov.

In a few recent interviews, Ward has threatened the possibility of retiring from the sport - unless he receives the right deal for the rematch. Ward is unlikely to retire and more likely looking for a better financial package for the second fight. According to Duva, the financial terms for the rematch were already outlined and agreed upon, by both sides, in the original rematch agreement.

Ward received a guarantee of $5 million for the first fight. It's not likely that he will receive the same amount for the rematch. The pay-per-view numbers were less than expected, with around 160,000 buys being generated. With all of the headlines surrounding the rematch and the countless debates over which fighter deserved to win - the rematch may do better on PPV.