CompuBox Analysis: Julio Cesar Chavez Jr. vs Marco Antonio Rubio

By CompuBox

With every passing fight Julio Cesar Chavez Jr. carries an unenviable burden of proof every time he steps between the ropes: Can he live up to the legend whose name he carries?

So far he's passed virtually every test -- a six-round draw to Carlos Molina in December 2006 is his only blemish -- but many believe mandatory challenger Marco Antonio Rubio presents a new level of danger. The oddsmaker don’t think so, as they made Chavez nearly a 4-1 favorite.  Rubio carries a formidable 53-5 (46 KO) record, the experience of a 12-year veteran and plenty of give-and-take battles against well-regarded names.

Will the "Son of the Legend" clear this vital hurdle or will Rubio prove to be his stumbling block? Their CompuBox histories offer these clues:

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