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The Dallas Cowboys bolstered their front seven on Tuesday as they added a former pro bowler to new Defensive Coordinator Rob Marinelli's defense.  It is an all too familiar face as he has been reunited with defensive lineman Henry Melton (Pictured on the left) who played for him while he was DC in Chicago.  The contract is reportedly a one-year deal with a club option for three more, depending on Melton's performance in 2014.  The price figures to be a bit lower than expected for one of the league's top defensive tackles, as Melton missed the majority of 2013 with an ACL injury.  Financial details have not been disclosed, but Melton's price tag would increase if he is brought back.  Melton will take Jason Hatcher's place as the three-technique defensive tackle in Marinelli's 4-3 defensive front.  The five-year veteran enjoyed the best years of his career from that spot, compiling a total of 68 tackles and 13 sacks in 2012 and 2013.