Garcia-Guerrero part of tourney to fill Mayweather belt

Danny Garcia's January return against Robert Guerrero will be part of a tournament created by the WBC. Mike Stobe/Getty Images

Floyd Mayweather retired in September and when the WBC vacated his welterweight and junior middleweight belts three weeks ago at its annual convention the organization announced it would hold tournaments in both weight classes to determine the new titleholders.

The format for the tournaments has not been announced and there has been no time frame or a number of boxers slated to appear in each field set.

But the tournaments apparently will happen and on Thursday the WBC announced that the welterweight bout between former junior welterweight champion Danny Garcia (31-0, 18 KOs) and Robert Guerrero (33-3-1, 18 KOs) would be part of the 147-pound tournament.

That 12-round bout was announced on Tuesday as the main event of the first Premier Boxing Champions card on Fox on Jan. 23 (8 p.m. ET) at the Staples Center in Los Angeles.

In addition to Garcia-Guerrero, the WBC also announced that the winner of an upcoming fight -- date to be announced -- between Argentina's Cesar Barrionuevo (28-3-2, 19 KOs) and Azael Cosio (20-3-2, 17 KOs), of Panama, would also take part in the tournament.

"Once the process of confirmation of participants is finished the format and guidelines will be presented," the WBC said.