 Lentz was signed by the New York Giants as an undrafted free agent in 2006.He played his first game for the Giants in their fourth preseason game in 2006, helping protect backup quarterback Jared Lorenzen complete 10-of-15 passes for 116 yards in a 31-23 victory over the New England Patriots.Lentz did not start a regular season game during his time with the Giants, and was released during the final roster cuts before the 2007 regular season.