Lattimore (5-11, 225) signed with the Dallas Cowboys as an undrafted free agent following the 2008 NFL Draft and was released on August 30, 2008. He was signed to the Jacksonville Jaguars practice squad on December 10, 2008, where he spent the remainder of the season. Lattimore re-signed with Dallas on May 1, 2009 and was released on September 5.
Lattimore, a 25-year-old native of Baltimore, MD, played collegiately at Maryland. He finished his Maryland career with 1,744 yards and 19 touchdowns rushing. As a senior, he led the Terps with 805 rushing yards and 13 touchdowns.
