The Dallas Cowboys are bolstering their defensive line. The 'Boys have agreed to terms on a one-year contract with defensive tackle Henry Melton. The deal includes a club option for three additional years depending on his performance. Melton played in just three games in 2013 due to an ACL injury. The 27-year-old Texas product has 89 tackles and 15-and-a-half sacks in 48 career games over his first four NFL seasons, all with Chicago.