Commentary

Calderon did just enough to get the win

Updated: October 31, 2011, 11:39 AM ET
By Dan Rafael | ESPN.com

Ivan Calderon and Felipe RivasJose Perez/PR Best Boxing PromotionsIvan Calderon, right, did just enough to notch his first victory in 16 months.

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Dan Rafael is the boxing writer for ESPN.com. Follow him on Twitter @danrafaelespn.