Juan Manuel Marquez-Juan Diaz 2

Originally Published: July 31, 2010
By Kieran Mulvaney | Special to

Can Juan Diaz avenge last year's knockout loss to Juan Manuel Marquez? Join Kieran Mulvaney ringside in Las Vegas beginning at 8 p.m. ET for live analysis of the undercard and main event.

Kieran Mulvaney covers boxing for, and Reuters, and also blogs for Discovery Channel News.