The Bucs have announced the addition of cornerbacks Brandon Anderson and Derrick Robertson to the practice squad. Anderson was an undrafted prospect with the Colts during the offseason and was momentarily picked up by the Browns' practice squad before being released last week. Robertson entered the NFL as an undrafted player with the Texans in 2007 and has been on the practice squads in Houston and Minnesota. Source: TampaBayOnline.com