George Groves believes he's greater than he is - James DeGale

George Groves "supposes he is greater than he is" and does not merit "a 50/50 split" from a rematch, says the man he beat in 2011, James DeGale.

The 31-year-old made the remarks as he uncovered he will be out "for some time" to experience right shoulder surgery.

Degale is the IBF super-middleweight champion, while kindred Briton Groves holds the WBA super-middleweight belt.

"Forests has gone in reverse," said DeGale. "I'm not being discourteous but rather he's not got a similar sharpness."

London 2012 Olympic gold medallist DeGale included: "He has, nonetheless, satisfied his fantasy of getting to be noticeably best on the planet and it makes our potential rematch significantly greater."

"Transactions will be troublesome and the terms should be ideal for the battle to be made."

Forests, who beat DeGale six years back to win the British super-middleweight title in a lion's share focuses choice, won a world title at the fourth endeavor by ceasing Russian Fedor Chudinov a month ago to assert the WBA belt.

DeGale's last excursion saw a unification battle amongst him and Sweden's Badou Jack end in a disputable dominant part draw.

DeGale said a battle planned for 1 July had been concurred with Callum Smith however that he "chose to go down the WBC course and will challenge for the empty world title in the not so distant future".

On his harm, he included: "My arm will be in a sling for a couple days and I'll be offered activities to do all alone.

"Half a month later, I'll begin my recovery with my physio and inside eight to 10 weeks I ought to have the capacity to fight. I will have the capacity to battle before the finish of the year."