The Cowboys released Vellano on Wednesday, Adam Caplan of SiriusXM Radio reports.
The 29-year-old inked a reserve/future contract with the Cowboys just over two months ago, but won't even stick around with the team for the start of its offseason program. Prior to signing with Dallas, Vellano played four games for the Falcons in 2017, marking his first action since the 2014 campaign.