It was a savage light heavyweight battle that lived up to the Philadelphia billing. Artur Beterbeiv, in a back-a-forth affair, knocked out Oleksandr Gvozdyk in the 10th round to unify the WBC/IBF light heavyweight titles Saturday evening at the Liacouras Center.

Beterbiev knocked down Gvozdyk three times in the 10th, as referee Gary Rosato immediately waved off the fight following the third knockdown.

Beterbiev (15-0, 15 KOs) was behind on two of the three judges' scorecards at the time of the stoppage.

Now Beterbiev wants to secure more gold in the light heavyweight division.

"We work in the gym We work hard, and we have some targets," Beterbiev said. "My first target, second target and other one comes soon.

“It doesn’t matter {who I fight next.} Anyone. I’m focused on title, not on name.”

Before he can go in that direction, the Russian puncher's promoter, Bob Arum of Top Rank, said the next order of business is a mandatory title defense against Meng Fanlong of China. Fanlong is the mandatory challenger under the IBF, who have a very low tolerance for champions not meeting their mandatory obligations - as in the past they stripped fighters like Canelo Alvarez and Tyson Fury for failing to meet them.

Last weekend, WBA champion Dmitry Bivol retained his belt with a twelve round domination of Lenin Castillo. Bivol is open to the idea of fighting Beterbiev.

And on November 2nd. WBO champion Sergey Kovalev will defend his belt against Mexican star Canelo Alvarez.

Should Canelo win, the idea of facing Beterbiev is unlikely. But if Kovalev wins, Top Rank does have options on him and a bout with Beterbiev is possible.