According to Elias Nassar, manager of IBO bantamweight champion Vic Darchinyan, the fight against unbeaten Abner Mares will take place on December 18 in either Las Vegas or California. Darchinyan (35-2-1, 27 KOs) and Mares (20-0-1, 13 KOs) appeared to have a date set for November 6 on Showtime. It was moved when the postponed featherweight clash between Juan Manuel Lopez and Rafael Marquez took over the date.

In the co-feature, IBF bantamweight champion Yonnhy Perez (20-0-1, 14 KOs)will have a rematch with former championJoseph Agbeko (27-2, 22 KOs).

Both bantamweight bouts are part of Showtime's four man elimination tournament. The winners of both fights will meet in 2011, boxingscene.com reported.