Professional boxer Keyshawn Davis caught in backstage brawl after brother's unexpected loss

Professional boxer Keyshawn Davis was involved in a backstage altercation with the man who defeated his brother in a bout on Saturday night at Scope Arena in Norfolk, Virginia. 

The Davis family, which includes junior welterweight Kelvin and welterweight Keon, is from the area, and it was expected to be a great night of boxing and celebration. 

However, after Kelvin was upset by Nahir Albright in their co-main event fight, Keon and Keyshawn both got involved in an altercation with Albright backstage. 

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The altercation was caught on video as broadcast cameras captured a large skirmish that led to...