Alexander Allen Silvestro (born November 15, 1988) is an American football tight end for the Baltimore Ravens currently on the practice squad. As a defensive end, he was signed by the Patriots as an undrafted free agent in 2011. He played college football at Rutgers. On February 4, 2012, he was called up to replace Tiquan Underwood on the active roster of the New England Patriots, one day before Super Bowl XLVI. In November 2012, he was signed by the Baltimore Ravens to the practice squad.