Fassel named Clark the primary backup safety to begin the regular season, behind starters Shaun Williams and Omar Stoutmire. On October 19, 2003, Clark earned his first career start and deflected a single pass during a 14-10 loss against the Philadelphia Eagles in Week 7. In Week 12, he collected a season-high five solo tackle as the Giants lost 19-13 at the Tampa Bay Buccaneers. On December 28, 2003, Clark recorded three solo tackles and made his first career sack during a 37-24 loss against the Carolina Panthers in Week 17. Clark sacked Panthers' quarterback Jake Delhomme for a seven-yard loss in the third quarter. Clark finished the 2003 NFL season with 21 combined tackles (19 solo), two pass deflections, and one sack in 16 games and four starts. On May 28, 2004, the New York Giants waived Clark after signing free agent safety Brent Alexander. Washington Redskins On July 31, 2004, the Washington Redskins signed Clark to a two-year, $835,000 contract as an unrestricted free agent. Head coach Joe Gibbs named Clark a backup safety behind Matt Bowen, Andre Lott, and rookie Sean Taylor. In Week 6, Clark became the starting free safety, alongside strong safety Sean Taylor, after season-ending injuries sidelined Matt Bowen and Andre Lott. On November 14, 2004, Clark collected a season-high 11 combined tackles (ten solo) during a 17-10 loss to the Cincinnati Bengals. Clark finished the 2004 NFL season with 81 combined tackles (65 solo) and a pass deflection in 15 games and 11 starts. 2005 Throughout training camp in 2005, Clark competed to be a backup safety against Pierson Prioleau. Clark began the season as the backup strong safety and was inactive for the first two games due to a sprained knee. In Week 4, Clark became the starting strong safety after Prioleau sustained a hamstring injury. Clark was inactive for the Redskins' Week 6 loss at the Kansas City Chiefs due to a chest injury. On October 30, 2005, Clark collected a season-high 11 solo tackles, deflected one pass, and made his first career interception during a 36-0 loss at the New York Giants in Week 8. He intercepted a pass by Giants' quarterback Eli Manning that was initially intended for wide receiver Plaxico Burress during the first quarter. The following week, Clark recorded four combined tackles, a pass deflection, and intercepted a pass by Donovan McNabb during the fourth quarter of