George Groves-Francisco Sierra on 7/28 San Jose Card

By Ryan Maquiñana

Robert Diaz, matchmaker for Golden Boy Promotions, has advised that unbeaten super middleweight George Groves will fight Francisco Sierra on the July 28 Robert Guerrero-Selcuk Aydin undercard in San Jose, Calif.

The 24-year-old Groves (14-0, 11 KOs) is co-promoted by Frank Warren and Golden Boy.  The native of London, England, has amassed impressive back-to-back wins in his last two outings of 2011.  A majority decision over James DeGale and a second-round stoppage of Paul Smith have landed the BBBofC British and Commonwealth 168-pound holder into bona fide contender statuts.

Sierra (25-5-1, 22 KOs) has lost two of three, but both defeats were to quality opposition in Jesus Gonzales (UD12) and Thomas Oosthuizen (TKO11).  The 24-year-old from Nayarit, Mexico, bounced back in June with a six-round virtual shutout of previously undefeated prospect Rogelio Ruvalcaba.

The bout will take place at the HP Pavilion, and Showtime will televise the main event.

Ryan Maquiñana writes a weekly boxing column for  He is a full member of the Boxing Writers Association of America and the Ratings Panel for Ring Magazine. E-mail him at [email protected] , check out his blog at, or follow him on Twitter: @RMaq28.

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User Comments and Feedback (Register For Free To Comment) Comment by onechance87 on 07-07-2012

Sierra is a tough dude.Should be a good fight.

Comment by Hougigo on 07-07-2012

How long until he pulls out with back injury?

Comment by taansend on 07-07-2012

This looks like a tough fight. Groves will have to be on song.

Comment by DefThatGuy on 07-07-2012

I wasn beginning to think there wasnt an undercard at all lol.

Comment by warp1432 on 07-07-2012

Not a bad fight as far as tune ups go.

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