IRVING -- The Cowboys signed free agent safety Ken Hamlin Friday afternoon.
Hamlin, who played the past four seasons with the Seattle Seahawks, has 298 tackles and eight career interceptions. In 2005, Hamlin started the first six games of the season before being placed on reserve/non-football injury list because of life-threatening head injuries suffered in a fight outside a club. He returned in 2006 and made 96 tackles with three interceptions.
The 6-foot-2, 209-pound Hamlin was originally a second-round (42nd overall) pick of the Seahawks in 2003. He left Arkansas after his junior season after being touted as the school’s best defensive player since Steve Atwater (1985-8

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It's an uprade over Roy in the the secondary as a coverage player....and should let Roy the hitman do what he does best and play up around the line of scrimmage.Hamlin can also bring the wood and cover...i still hope the light come's on for the young rookie Pat Watkin's and he get's it after a medi yoka green season at free-safety.
Star-Telegram.com | 03/23/2007 | Cowboys sign safety Hamlin 