David Leon Herron, Jr. (born June 17, 1984) is an American former professional football linebacker. He played football at Warren G. Harding High School and college football at Michigan State. He was signed by the Minnesota Vikings as an undrafted free agent in 2007. Herron has also been a member of the New England Patriots, Kansas City Chiefs, and San Diego Chargers. He is the older brother of former Indianapolis Colts backup running back Daniel Herron.