Timothy Bradley/Photo courtesy of Top Rank Inc.

Timothy Bradley and Jessie Vargas both weighed in at 146.4 pounds Friday for their vacant interim welterweight title showdown that will take place Saturday at StubHub Center in Carson.

HBO will televise the Top Rank Inc. card.

Bradley, 31, is 31-1-1 with 12 knockouts. He is a former junior welterweight and welterweight champion.

Vargas, 26, is 26-0 with nine knockouts. He is a former junior welterweight champion moving up in weight.