By Ryan Burton & Ernest Gabion

The weights are in for Saturday's big fight at the Staples Center in Los Angeles, California. The "Son of a Legend" Julio Cesar Chavez Jr. challenges Sebastian Zbik for the WBC middleweight title. Chavez came in at an even 160-pounds, while the champion was 158.8. Both of them looked in great shape. Photos by Chris Farina/Top Rank.

In a featherweight clash, Rafael Guzman was 125.8, while unbeaten Mikey Garcia was 127-pounds [contract weight was 127].

A battle for the WBC silver junior middleweight title, with Vanes Martirosyan coming in at 153.4, while Saul Roman was 153-pounds even.

The females took to the scale. Dakota Stone was 149-pounds, while female boxing legand Christy Martin was 149.8-pounds.