(Providence, RI)--Boxing champion Demetrius "Boo Boo" Andrade is pleading not guilty to carrying an unlicensed firearm.Andrade was arrested in Providence last December after a traffic stop.His attorney told The Providence Journal on Tuesday that he is licensed to carry in his state of residence, New Hampshire, and that he'll be filing a motion that characterizes the police search of Andrade's car as without probable cause.Andrade, who is from Providence, recently defended his WBO middleweight title at the Dunkin' Donuts Center.